64 datasets found
  1. C

    Allegheny County Municipal Boundaries

    • data.wprdc.org
    • datadiscoverystudio.org
    • +5more
    csv, geojson, html +2
    Updated Jun 28, 2025
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    Allegheny County (2025). Allegheny County Municipal Boundaries [Dataset]. https://data.wprdc.org/dataset/allegheny-county-municipal-boundaries
    Explore at:
    kml(960584), html, geojson(2397488), csv, zip(699271)Available download formats
    Dataset updated
    Jun 28, 2025
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    This dataset demarcates the municipal boundaries in Allegheny County. Data was created to portray the boundaries of the 130 Municipalities in Allegheny County the attribute table includes additional descriptive information including Councils of Government (COG) affiliation (regional governing and coordinating bodies comprised of several bordering municipalities), School District, Congressional District, FIPS and County Municipal Code and County Council District.

    This dataset is harvested on a weekly basis from Allegheny County’s GIS data portal. The full metadata record for this dataset can also be found on Allegheny County's GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the "Explore" button (and choosing the "Go to resource" option) to the right of the "ArcGIS Open Dataset" text below.

    Category: Civic Vitality and Governance

    Department: Geographic Information Systems Group; Department of Administrative Services

  2. d

    Allegheny County Zip Code Boundaries

    • datasets.ai
    • data.wprdc.org
    • +6more
    15, 21, 25, 57, 8
    Updated Sep 8, 2024
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    Allegheny County / City of Pittsburgh / Western PA Regional Data Center (2024). Allegheny County Zip Code Boundaries [Dataset]. https://datasets.ai/datasets/allegheny-county-zip-code-boundaries
    Explore at:
    15, 25, 57, 8, 21Available download formats
    Dataset updated
    Sep 8, 2024
    Dataset authored and provided by
    Allegheny County / City of Pittsburgh / Western PA Regional Data Center
    Area covered
    Allegheny County
    Description
    This dataset demarcates the zip code boundaries that lie within Allegheny County.

    If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (http://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below.

    Category: Civic Vitality and Governance

    Organization: Allegheny County

    Department: Geographic Information Systems Group; Department of Administrative Services

    Temporal Coverage: current

    Data Notes:

    Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot

    Development Notes: none

    Other: none

    Related Document(s): Data Dictionary (none)

    Frequency - Data Change: As needed

    Frequency - Publishing: As needed

    Data Steward Name: Eli Thomas

    Data Steward Email: gishelp@alleghenycounty.us
  3. C

    Allegheny County Land Cover Areas

    • data.wprdc.org
    • datasets.ai
    • +5more
    csv, geojson, html +2
    Updated Oct 28, 2015
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    County of Allegheny, PA (2015). Allegheny County Land Cover Areas [Dataset]. https://data.wprdc.org/dataset/allegheny-county-land-cover-areas
    Explore at:
    html, csv, geojson(70763839), kml(26704247), zip(16716336)Available download formats
    Dataset updated
    Oct 28, 2015
    Dataset provided by
    County of Allegheny, PA
    Area covered
    Allegheny County
    Description

    The Land Cover dataset demarcates 14 land cover types by area; such as Residential, Commercial, Industrial, Forest, Agriculture, etc.

    If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (http://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below.

    Category: Geography

    Organization: Allegheny County

    Department: Geographic Information Systems Group; Department of Administrative Services

    Temporal Coverage: 1994

    Data Notes:

    Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot

    Development Notes: The dataset was created by Chester Environmental through combined image processing and GIS analysis of Landsat TM imagery of October 2, 1992, existing aerial photography, hardcopy and digital mapping sources and Census Bureau demographic data. The original dataset was created in 1993, then updated by Chester in 1994.

    Other: none

    Related Document(s): Data Dictionary (https://docs.google.com/spreadsheets/d/1VfUflfki42mpLSkr1R-up_OXGD3mHnv8tqeXf6XS9O0/edit?usp=sharing)

    Frequency - Data Change: As needed

    Frequency - Publishing: As needed

    Data Steward Name: Eli Thomas

    Data Steward Email: gishelp@alleghenycounty.us

  4. C

    Allegheny County Property Viewer

    • data.wprdc.org
    • datadiscoverystudio.org
    • +3more
    html
    Updated Apr 7, 2025
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    Allegheny County (2025). Allegheny County Property Viewer [Dataset]. https://data.wprdc.org/dataset/http-alcogis-maps-arcgis-com-apps-webappviewer-index-html-id-b4b1dbb65b4943538425bb5ae0f8f62b
    Explore at:
    htmlAvailable download formats
    Dataset updated
    Apr 7, 2025
    Dataset provided by
    Allegheny County
    License

    CC0 1.0 Universal Public Domain Dedicationhttps://creativecommons.org/publicdomain/zero/1.0/
    License information was derived automatically

    Area covered
    Allegheny County
    Description

    Webmap of Allegheny municipalities and parcel data. Zoom for a clickable parcel map with owner name, property photograph, and link to the County Real Estate website for property sales information.

  5. d

    Allegheny County Map Index Grid

    • catalog.data.gov
    • data.wprdc.org
    • +2more
    Updated May 14, 2023
    + more versions
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    Allegheny County (2023). Allegheny County Map Index Grid [Dataset]. https://catalog.data.gov/dataset/allegheny-county-map-index-grid
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    Dataset updated
    May 14, 2023
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    Map Index Sheets from Block and Lot Grid of Property Assessment and based on aerial photography, showing 1983 datum with solid line and NAD 27 with 5 second grid tics and italicized grid coordinate markers and outlines of map sheet boundaries. Each grid square is 3500 x 4500 feet. Each Index Sheet contains 16 lot/block sheets, labeled from left to right, top to bottom (4 across, 4 down): A, B, C, D, E, F, G, H, J, K, L, M, N, P, R, S. The first (4) numeric characters in a parcelID indicate the Index sheet in which the parcel can be found, the alpha character identifies the block in which most (or all) of the property lies.

  6. d

    Allegheny County Department of Public Works Maintenance District Boundaries

    • catalog.data.gov
    • data.wprdc.org
    • +4more
    Updated May 14, 2023
    + more versions
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    Allegheny County (2023). Allegheny County Department of Public Works Maintenance District Boundaries [Dataset]. https://catalog.data.gov/dataset/allegheny-county-department-of-public-works-maintenance-district-boundaries
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    Dataset updated
    May 14, 2023
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (http://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below. Category: Civic Vitality and Governance Organization: Allegheny County Department: Geographic Information Systems Group; Department of Administrative Services Temporal Coverage: current Data Notes: Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot Development Notes: none Other: none Related Document(s): Data Dictionary (none) Frequency - Data Change: As needed Frequency - Publishing: As needed Data Steward Name: Eli Thomas Data Steward Email: gishelp@alleghenycounty.us

  7. C

    Allegheny County Soil Type Areas

    • data.wprdc.org
    • datadiscoverystudio.org
    • +7more
    csv, geojson, html +2
    Updated Jun 28, 2025
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    Allegheny County (2025). Allegheny County Soil Type Areas [Dataset]. https://data.wprdc.org/dataset/allegheny-county-soil-type-areas
    Explore at:
    html, geojson(67027786), csv, kml(25990848), zip(19554272)Available download formats
    Dataset updated
    Jun 28, 2025
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    This dataset contains soil type and soil classification, by area.

    This dataset is harvested on a weekly basis from Allegheny County’s GIS data portal. The full metadata record for this dataset can also be found on Allegheny County's GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the "Explore button (and choosing the "Go to resource" option) to the right of the "ArcGIS Open Dataset" text below.

    Category: Environment

    Department: Geographic Information Systems Group; Department of Administrative Services

    Development Notes: This data set is a digital soil survey and generally is the most detailed level of soil geographic data developed by the National Cooperative Soil Survey. The information was prepared by digitizing maps, by compiling information onto a planimetric correct base and digitizing, or by revising digitized maps using remotely sensed and other information. This data set consists of georeferenced digital map data and computerized attribute data. The map data are in a soil survey area extent format and include a detailed, field verified inventory of soils and miscellaneous areas that normally occur in a repeatable pattern on the landscape and that can be cartographically shown at the scale mapped. A special soil features layer (point and line features) is optional. This layer displays the location of features too small to delineate at the mapping scale, but they are large enough and contrasting enough to significantly influence use and management. The soil map units are linked to attributes in the National Soil Information System relational database, which gives the proportionate extent of the component soils and their properties. The soil map and data used in the SSURGO product were prepared by soil scientists as part of the National Cooperative Soil Survey.

    Related Documents: Data Dictionary for SOIL_CODE, https://www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/pennsylvania/PA003/0/legends.pdf (the last page includes the soil legend for this dataset)

  8. a

    Allegheny County Census Blocks 2020

    • openac-alcogis.opendata.arcgis.com
    • hub.arcgis.com
    Updated Jul 9, 2024
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    County of Allegheny, PA (2024). Allegheny County Census Blocks 2020 [Dataset]. https://openac-alcogis.opendata.arcgis.com/datasets/allegheny-county-census-blocks-2020
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    Dataset updated
    Jul 9, 2024
    Dataset authored and provided by
    County of Allegheny, PA
    Area covered
    Description

    This is an Allegheny County extract of the 2020 US Census Blocks downloaded from the following website: https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-geodatabase-file.htmlIf viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (https://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (https://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below.Category: Civic Vitality and GovernanceOrganization: Allegheny CountyDepartment: Geographic Information Systems Group; Department of Information TechnologyTemporal Coverage: currentData Notes: Coordinate System: GCS_North_American_1983Development Notes: noneOther: noneRelated Document(s): noneFrequency - Data Change: 2023 dataFrequency - Publishing: one-timeData Steward Name: See https://www.census.gov/geo/about/contact.html for more information.Data Steward Email: See https://www.census.gov/geo/about/contact.html for more information.

  9. a

    Allegheny County Census Tracts 2020

    • openac-alcogis.opendata.arcgis.com
    Updated Jul 9, 2024
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    County of Allegheny, PA (2024). Allegheny County Census Tracts 2020 [Dataset]. https://openac-alcogis.opendata.arcgis.com/datasets/allegheny-county-census-tracts-2020
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    Dataset updated
    Jul 9, 2024
    Dataset authored and provided by
    County of Allegheny, PA
    Area covered
    Description

    This is an Allegheny County extract of the 2020 US Census Tracts downloaded from the following website: https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-geodatabase-file.htmlIf viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (https://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (https://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below.Category: Civic Vitality and GovernanceOrganization: Allegheny CountyDepartment: Geographic Information Systems Group; Department of Information TechnologyTemporal Coverage: currentData Notes: Coordinate System: GCS_North_American_1983Development Notes: noneOther: noneRelated Document(s): noneFrequency - Data Change: 2023 dataFrequency - Publishing: one-timeData Steward Name: See https://www.census.gov/geo/about/contact.html for more information.Data Steward Email: See https://www.census.gov/geo/about/contact.html for more information.

  10. d

    Allegheny County-Owned Roads Centerlines

    • catalog.data.gov
    • data.wprdc.org
    • +3more
    Updated May 14, 2023
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    Allegheny County (2023). Allegheny County-Owned Roads Centerlines [Dataset]. https://catalog.data.gov/dataset/allegheny-county-owned-roads-centerlines
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    Dataset updated
    May 14, 2023
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    This dataset shows the roads owned by Allegheny County. If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (http://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below. Category: Civic Vitality and Governance Organization: Allegheny County Department: Public Works Temporal Coverage: 2015 Data Notes: Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot Development Notes: none Other: none Related Document(s): Data Dictionary (https://docs.google.com/spreadsheets/d/1WNzi_JLaIL1eR5RWw0FlSAwqIrdExs9Vy2Iui_NE9Go/edit?usp=sharing) Frequency - Data Change: As needed Frequency - Publishing: As needed Data Steward Name: Eli Thomas Data Steward Email: gishelp@alleghenycounty.us

  11. C

    Allegheny County Census Block Groups 2016

    • data.wprdc.org
    • s.cnmilf.com
    • +3more
    csv, geojson, html +2
    Updated Apr 26, 2024
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    Allegheny County (2024). Allegheny County Census Block Groups 2016 [Dataset]. https://data.wprdc.org/dataset/allegheny-county-census-block-groups-2016
    Explore at:
    csv, kml(7718841), geojson(10070366), zip(2430386), htmlAvailable download formats
    Dataset updated
    Apr 26, 2024
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    This is an Allegheny County extract of the 2016 US Census Block Groups downloaded from the following website: https://www.census.gov/geo/maps-data/data/tiger-cart-boundary.html.

    This dataset was previously harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal, at https://openac-alcogis.opendata.arcgis.com/datasets/AlCoGIS::public-wifi-locations/explore.

    Department: Geographic Information Systems Group; Department of Administrative Services

    Data Dictionary

    See https://www.census.gov/geo/about/contact.html for more information.

  12. d

    Allegheny County Private Schools Locations

    • catalog.data.gov
    • data.wprdc.org
    • +2more
    Updated May 14, 2023
    + more versions
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    Allegheny County (2023). Allegheny County Private Schools Locations [Dataset]. https://catalog.data.gov/dataset/allegheny-county-private-schools-locations
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    Dataset updated
    May 14, 2023
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    These geocoded locations are based on the Allegheny County extract of Educational Names & Addresses (EdNA) via Pennsylvania Department of Education website as of April 19, 2018. Several addresses were not able to be geocoded (ex. If PO Box addresses were provided, they were not geocoded.)If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (http://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below. Category: Education Organization: Allegheny County Department: Department of Human Services Temporal Coverage: as of April 19, 2018 Data Notes: Coordinate System: GCS_North_American_1983 Development Notes: none Other: none Related Document(s): Data Dictionary - none Frequency - Data Change: April, 19, 2018 data Frequency - Publishing: one-time Data Steward Name: See http://www.edna.ed.state.pa.us/Screens/Extracts/wfExtractEntitiesAdmin.aspx for more information. Data Steward Email: RA-DDQDataCollection@pa.gov (Data Collection Team)

  13. a

    Allegheny County Cemeteries

    • hub.arcgis.com
    • openac-alcogis.opendata.arcgis.com
    Updated Aug 9, 2024
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    County of Allegheny, PA (2024). Allegheny County Cemeteries [Dataset]. https://hub.arcgis.com/maps/AlCoGIS::allegheny-county-cemeteries
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    Dataset updated
    Aug 9, 2024
    Dataset authored and provided by
    County of Allegheny, PA
    Area covered
    Description

    Outlines of public and private cemeteries greater than one acre in size. Areas were delineated following a generalized line along the outside edge of the area. Individual features within the cemetery are not shown.If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (https://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (https://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below.Category: Administrative and Other BoundariesOrganization: Allegheny CountyDepartment: Geographic Information Systems Group; Department of Information TechnologyTemporal Coverage: 2002Data Notes: Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey FootDevelopment Notes: noneOther: noneRelated Document(s): Data DictionaryFrequency - Data Change: As neededFrequency - Publishing: As neededData Steward Name: Deb BeiberData Steward Email: gishelp@alleghenycounty.us

  14. A

    Allegheny County Address Points

    • data.amerigeoss.org
    • hub.arcgis.com
    • +2more
    Updated Jul 26, 2019
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    United States (2019). Allegheny County Address Points [Dataset]. https://data.amerigeoss.org/km/dataset/allegheny-county-address-points-07dff
    Explore at:
    bin, html, zip, csv, application/vnd.geo+json, kmlAvailable download formats
    Dataset updated
    Jul 26, 2019
    Dataset provided by
    United States
    Area covered
    Allegheny County
    Description
    This dataset contains address points which represent physical address locations assigned by the Allegheny County addressing authority. Data is updated by County staff as changes and corrections are found on a continuous basis.

    If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (http://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below.

    Category: Housing and Properties

    Organization: Allegheny County

    Department: Department of Real Estate

    Temporal Coverage: most current data available in Allegheny County's ArcGIS Open Data portal (http://openac.alcogis.opendata.arcgis.com/)

    Data Notes:

    Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot

    Development Notes: The data were initially created by GDR for the Allegheny County CAD project, October 2008.

    Other: Data users are welcome to e-mail corrections to this dataset.

    Related Document(s): Data Dictionary (none)

    Frequency - Data Change: Multiple times per hour

    Frequency - Publishing: Daily

    Data Steward Name: Eli Thomas

    Data Steward Email: gishelp@alleghenycounty.us
  15. d

    Allegheny County Parks Outlines

    • catalog.data.gov
    • data.wprdc.org
    • +5more
    Updated May 14, 2023
    + more versions
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    Allegheny County (2023). Allegheny County Parks Outlines [Dataset]. https://catalog.data.gov/dataset/allegheny-county-parks-outlines
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    Dataset updated
    May 14, 2023
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    Shows the size and shape of the nine Allegheny County parks. If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (http://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below. Category: Recreation Organization: Allegheny County Department: Parks Department Temporal Coverage: current Data Notes: Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot Development Notes: none Other: none Related Document(s): Data Dictionary: none Frequency - Data Change: As needed Frequency - Publishing: As needed Data Steward Name: Eli Thomas Data Steward Email: gishelp@alleghenycounty.us

  16. C

    Allegheny County Council Districts

    • data.wprdc.org
    • catalog.data.gov
    • +4more
    csv, geojson, html +2
    Updated Jun 28, 2025
    + more versions
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    Allegheny County (2025). Allegheny County Council Districts [Dataset]. https://data.wprdc.org/dataset/allegheny-county-council-districts
    Explore at:
    html, csv, zip(305239), kml(406717), geojson(992680)Available download formats
    Dataset updated
    Jun 28, 2025
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    This dataset portrays the boundaries of the County Council Districts in Allegheny County. The dataset is based on municipal boundaries and City of Pittsburgh ward boundaries and was updated as the result of reapportionment in September 2002. It has also been attributed with the current representatives' names.

    This dataset is harvested on a weekly basis from Allegheny County’s GIS data portal.

    Category: Civic Vitality and Governance

    Department: Geographic Information Systems Group; Department of Administrative Services

  17. a

    Allegheny County Parcel Boundaries

    • hub.arcgis.com
    • data.amerigeoss.org
    • +2more
    Updated Feb 9, 2023
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    County of Allegheny, PA (2023). Allegheny County Parcel Boundaries [Dataset]. https://hub.arcgis.com/documents/1b3e5809fb964497a52ca225db492624
    Explore at:
    Dataset updated
    Feb 9, 2023
    Dataset authored and provided by
    County of Allegheny, PA
    Area covered
    Allegheny County
    Description

    This dataset shows the parcel boundaries in Allegheny County. You can access the dataset through this link that goes to PASDA.

    If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (https://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (https://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below.

    Category: Administrative and Other Boundaries

    Organization: Allegheny County

    Department: Department of Information Technology

    Temporal Coverage: current

    Data Notes:

    Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot

    Development Notes: none

    Other: none

    Related Document(s): none

    Frequency - Data Change: As needed

    Frequency - Publishing: As needed

    Data Steward Name: Darren Gessler

    Data Steward Email: gishelp@alleghenycounty.us

  18. C

    Allegheny County Hydrology Lines

    • data.wprdc.org
    • datasets.ai
    • +4more
    csv, geojson, html +2
    Updated Jun 21, 2025
    + more versions
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    Allegheny County (2025). Allegheny County Hydrology Lines [Dataset]. https://data.wprdc.org/dataset/allegheny-county-hydrology-lines
    Explore at:
    csv, html, kml(9044848), zip(7320300), geojson(24344149)Available download formats
    Dataset updated
    Jun 21, 2025
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    The Hydrology Feature Dataset contains photogrammetrically compiled water drainage features and structures including rivers, streams, drainage canals, locks, dams, lakes, ponds, reservoirs and mooring cells. Rivers, Lakes, Ponds, Reservoirs, Hidden Lakes, Reservoirs or Ponds: If greater than 25 feet and less than 30 feet wide, is captured as a double line stream. If greater than 30 feet wide it is captured as a river. Lakes are large standing bodies of water greater than 5 acres in size. Ponds are large standing bodies of water greater than 1 acre and less than 5 acres in size. Polygons are created from Stream edges and River Edges. The Ohio River, Monongahela River and Allegheny River are coded as Major Rivers. All other River and Stream polygons are coded as River. If a stream is less than 25 feet wide it is placed as a single line and coded as a Stream. Both sides of the stream are digitized and coded as a Stream for Streams whose width is greater than 25 feet. River edges are digitized and coded as River.

    A Drainage Canal is a manmade or channelized hydrographic feature. Drainage Canals are differentiated from streams in that drainage canals have had the sides and/or bottom stabilized to prevent erosion for the predominant length of the feature. Streams may have had some stabilization done, but are primarily in a natural state. Lakes are large standing bodies of water greater than five acres in size. Ponds are large standing bodies of water greater than one acre in size and less than five acres in size. Reservoirs are manmade embankments of water. Included in this definition are both covered and uncovered water tanks. Reservoirs that are greater than one acre in size are digitized. Hidden Streams, Hidden Rivers and Hidden Drainage Canal or Culverts are those areas of drainage where the water flows through a manmade facility such as a culvert. Hydrology Annotation is not being updated but will be preserved. If a drainage feature has been removed, as apparent on the aerial photography, the associated drainage name annotation will be removed. A Mooring Cell is a structure to which tows can tie off while awaiting lockage. They are normally constructed of concrete and steel and are anchored to the river bottom by means of gravity or sheet piling.

    Mooring Cells do not currently exist in the Allegheny County dataset but will be added. Locks are devices that are used to control flow or access to a hydrologic feature. The edges of the Lock are captured. Dams are devices that are used to hold or delay the natural flow of water. The edges of the Dam are shown.

    This dataset is harvested on a weekly basis from Allegheny County’s GIS data portal. The full metadata record for this dataset can also be found on Allegheny County's GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the "Go to resource" option) to the right of the "ArcGIS Open Dataset" text below.

    Category: Environment

    Department: Geographic Information Systems Group; Department of Administrative Services

    Data Notes: Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot

    Development Notes: Original Lakes and Drainage datasets combined to create this layer. Data was updated as a result of a flyover in the spring of 2004. A database field has been defined for all map features named Update Year". This database field will define which dataset provided each map feature. Map features from the current map will be set to "2004". The earlier dataset map features the earlier dataset map features used to supplement the area near the county boundary will be set to "1993". All new or modified map data will have the value for "Update Year" set to "2004".

    Data Dictionary: https://docs.google.com/spreadsheets/d/16BWrRkoPtq2ANRkrbG7CrfQk2dUsWRiaS2Ee1mTn7l0/edit?usp=sharing

  19. C

    Allegheny County Major Rivers

    • data.wprdc.org
    • datadiscoverystudio.org
    • +4more
    csv, geojson, html +2
    Updated Oct 28, 2015
    + more versions
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    County of Allegheny, PA (2015). Allegheny County Major Rivers [Dataset]. https://data.wprdc.org/dataset/allegheny-county-major-rivers
    Explore at:
    kml(319191), csv, html, geojson(724308), zip(178027)Available download formats
    Dataset updated
    Oct 28, 2015
    Dataset provided by
    County of Allegheny, PA
    Area covered
    Allegheny County
    Description

    This dataset contains locations of major rivers that flow through Allegheny County. These shapes have been taken from the Hydrology dataset. The Ohio River, Monongahela River and Allegheny River are coded as Major Rivers.

  20. A

    Allegheny County Block Areas

    • data.amerigeoss.org
    • data.wprdc.org
    • +2more
    Updated Jul 27, 2019
    + more versions
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    United States[old] (2019). Allegheny County Block Areas [Dataset]. https://data.amerigeoss.org/dataset/6df30d13-6717-491e-83fb-64d0b65f7885
    Explore at:
    csv, bin, zip, kml, application/vnd.geo+json, htmlAvailable download formats
    Dataset updated
    Jul 27, 2019
    Dataset provided by
    United States[old]
    Area covered
    Allegheny County
    Description

    This dataset overlays a grid on the County to assist in locating a parcel. The grid squares are 3,500 by 4,500 square feet. The data was derived from original MAPINDX: Map Index Sheets from Block and Lot Grid of Property Assessment and based on aerial photography. Tiles are numbered in a clockwise spiral fashion starting with #1 at the point in downtown Pittsburgh. Each tile contains 16 Blocks. Each Index Sheet contains 16 lot/block sheets, labeled from left to right, top to bottom (4 across, 4 down): A, B, C, D, E, F, G, H, J, K, L, M, N, P, R, S. The first (4) numeric characters in a parcelID indicate the Index sheet in which the parcel can be found, the alpha character identifies the block in which most (or all) of the property lies.

    If viewing this description on the Western Pennsylvania Regional Data Center’s open data portal (http://www.wprdc.org), this dataset is harvested on a weekly basis from Allegheny County’s GIS data portal (http://openac.alcogis.opendata.arcgis.com/). The full metadata record for this dataset can also be found on Allegheny County’s GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the “Explore” button (and choosing the “Go to resource” option) to the right of the “ArcGIS Open Dataset” text below.

    Category: Civic Vitality and Governance

    Organization: Allegheny County

    Department: Geographic Information Systems Group; Department of Administrative Services

    Temporal Coverage: 2002

    Data Notes:

    Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot

    Development Notes: none

    Other: none

    Related Document(s): Data Dictionary (https://docs.google.com/spreadsheets/d/1yyJ_RKU2brFBYU8mh8ZIr6P_Uy3iUWOQL2ZYBv398LY/edit?usp=sharing)

    Frequency - Data Change: Multiple times per hour

    Frequency - Publishing: Daily

    Data Steward Name: Eli Thomas

    Data Steward Email: gishelp@alleghenycounty.us

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Allegheny County (2025). Allegheny County Municipal Boundaries [Dataset]. https://data.wprdc.org/dataset/allegheny-county-municipal-boundaries

Allegheny County Municipal Boundaries

Explore at:
kml(960584), html, geojson(2397488), csv, zip(699271)Available download formats
Dataset updated
Jun 28, 2025
Dataset provided by
Allegheny County
Area covered
Allegheny County
Description

This dataset demarcates the municipal boundaries in Allegheny County. Data was created to portray the boundaries of the 130 Municipalities in Allegheny County the attribute table includes additional descriptive information including Councils of Government (COG) affiliation (regional governing and coordinating bodies comprised of several bordering municipalities), School District, Congressional District, FIPS and County Municipal Code and County Council District.

This dataset is harvested on a weekly basis from Allegheny County’s GIS data portal. The full metadata record for this dataset can also be found on Allegheny County's GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the "Explore" button (and choosing the "Go to resource" option) to the right of the "ArcGIS Open Dataset" text below.

Category: Civic Vitality and Governance

Department: Geographic Information Systems Group; Department of Administrative Services

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