100+ datasets found
  1. California Public Schools and Districts Map

    • data.ca.gov
    • gis.data.ca.gov
    • +1more
    html
    Updated Apr 29, 2025
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    California Department of Education (2025). California Public Schools and Districts Map [Dataset]. https://data.ca.gov/dataset/california-public-schools-and-districts-map
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    htmlAvailable download formats
    Dataset updated
    Apr 29, 2025
    Dataset authored and provided by
    California Department of Educationhttps://www.cde.ca.gov/
    Area covered
    California
    Description

    This web map displays the California Department of Education's (CDE) core set of geographic data layers. This content represents the authoritative source for all statewide public school site locations and school district service areas boundaries for the 2018-19 academic year. The map also includes school and district layers enriched with student demographic and performance information from the California Department of Education's data collections. These data elements add meaningful statistical and descriptive information that can be visualized and analyzed on a map and used to advance education research or inform decision making.

  2. c

    California State Assembly Districts Map 2020

    • gis.data.ca.gov
    • data.ca.gov
    Updated Feb 9, 2023
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    California Department of Technology (2023). California State Assembly Districts Map 2020 [Dataset]. https://gis.data.ca.gov/datasets/california-state-assembly-districts-map-2020/about
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    Dataset updated
    Feb 9, 2023
    Dataset authored and provided by
    California Department of Technology
    Area covered
    Description

    Final approved map by the 2020 California Citizens Redistricting Commission for the California State Assembly; the authoritative and official delineations of the California State Assembly drawn during the 2020 redistricting cycle. The Citizens Redistricting Commission for the State of California has created statewide district maps for the State Assembly, State Senate, State Board of Equalization, and United States Congress in accordance, with the provisions of Article XXI of the California Constitution. The Commission has approved the final maps and certified them to the Secretary of State.Line drawing criteria included population equality as required by the U.S. Constitution, the Federal Voting Rights Act, geographic contiguity, geographic integrity, geographic compactness, and nesting. Geography was defined by U.S. Census Block geometry.80 Assembly districts have an ideal population of around 500,000 people each, and in consideration of population equality, the Commission chose to limit the population deviation range to as close to zero percent as practicable. With these districts, the Commission was able to respect many local communities of interest and group similar communities; however, it was more difficult to keep densely populated counties, cities, neighborhoods, and larger communities of interest whole due to the district size and correspondingly smaller number allowable in the population deviation percentage.

  3. a

    Data from: Congressional Districts

    • hub.arcgis.com
    • catalog.data.gov
    • +1more
    Updated Jul 1, 1995
    + more versions
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    U.S. Department of Transportation: ArcGIS Online (1995). Congressional Districts [Dataset]. https://hub.arcgis.com/maps/usdot::congressional-districts
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    Dataset updated
    Jul 1, 1995
    Dataset authored and provided by
    U.S. Department of Transportation: ArcGIS Online
    Area covered
    Description

    The 119th Congressional Districts dataset reflects boundaries from January 03, 2025 from the United States Census Bureau (USCB), and the attributes are updated every Sunday from the United States House of Representatives and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. Information for each member of Congress is appended to the Census Congressional District shapefile using information from the Office of the Clerk, U.S. House of Representatives' website https://clerk.house.gov/xml/lists/MemberData.xml and its corresponding XML file. Congressional districts are the 435 areas from which people are elected to the U.S. House of Representatives. This dataset also includes 9 geographies for non-voting at large delegate districts, resident commissioner districts, and congressional districts that are not defined. After the apportionment of congressional seats among the states based on census population counts, each state is responsible for establishing congressional districts for the purpose of electing representatives. Each congressional district is to be as equal in population to all other congressional districts in a state as practicable. The 119th Congress is seated from January 3, 2025 through January 3, 2027. In Connecticut, Illinois, and New Hampshire, the Redistricting Data Program (RDP) participant did not define the CDs to cover all of the state or state equivalent area. In these areas with no CDs defined, the code "ZZ" has been assigned, which is treated as a single CD for purposes of data presentation. The TIGER/Line shapefiles for the District of Columbia, Puerto Rico, and the Island Areas (American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, and the U.S. Virgin Islands) each contain a single record for the non-voting delegate district in these areas. The boundaries of all other congressional districts reflect information provided to the Census Bureau by the states by May 31, 2024. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/1529006

  4. w

    Council Districts Map

    • opendata.worcesterma.gov
    Updated Jul 16, 2024
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    City of Worcester, MA (2024). Council Districts Map [Dataset]. https://opendata.worcesterma.gov/documents/3c2d4702676e43c7bc48a8f0aa0bffb3
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    Dataset updated
    Jul 16, 2024
    Dataset authored and provided by
    City of Worcester, MA
    Description

    Effective January 2024.More information: Visit the Geographic Information System (GIS) webpage for access to additional City maps.Informing Worcester is the City of Worcester's open data portal where interested parties can obtain public information at no cost.

  5. O

    Data from: Congressional Districts

    • data.cambridgema.gov
    Updated Jul 9, 2025
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    Cambridge GIS (2025). Congressional Districts [Dataset]. https://data.cambridgema.gov/General-Government/Congressional-Districts/jgbr-p6wp
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    application/rdfxml, xml, tsv, application/rssxml, csv, kmz, kml, application/geo+jsonAvailable download formats
    Dataset updated
    Jul 9, 2025
    Dataset authored and provided by
    Cambridge GIS
    Description

    View full metadata https://www.cambridgema.gov/GIS/gisdatadictionary/Elections/ELECTIONS_CongressionalDistricts

    Description This polygon layer contains the two elective districts for congressmen in Cambridge in the United State Congress.

    About Edit Dates This data is automatically updated on a set schedule. The Socrata edit date may not reflect the actual edit dates in the data. For more details please see the update date on the full metadata page or view the edit date within the data rows.

  6. 114th Congressional Districts, US, 2015, USGS National Map, SEGS

    • catalog.data.gov
    • data.wu.ac.at
    Updated Feb 25, 2025
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    U.S. Environmental Protection Agency, Office of Environmental Information, Office of Information Analysis and Access, Information Access Division (Publisher); U.S. Environmental Protection Agency, Office of Environmental Information (Publisher) (2025). 114th Congressional Districts, US, 2015, USGS National Map, SEGS [Dataset]. https://catalog.data.gov/dataset/114th-congressional-districts-us-2015-usgs-national-map-segs11
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    Dataset updated
    Feb 25, 2025
    Dataset provided by
    United States Environmental Protection Agencyhttp://www.epa.gov/
    Area covered
    United States
    Description

    This SEGS web service contains the following map layers: 114th Congressional district boundaries. Layers are drawn at scales of 1:30 million and greater. Data used to create this web service are available as a separate download at the Secondary Linkage listed above. Full FGDC metadata records for each layer may be found by clicking the layer name in the web service table of contents (available through the online link provided above) and viewing the layer description. This SEGS dataset was procured for EPA through the Office of Environmental Information (OEI).

  7. g

    Data from: Congressional District Atlas

    • search.gesis.org
    • dataverse-staging.rdmc.unc.edu
    Updated May 6, 2021
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    UNC Dataverse (2021). Congressional District Atlas [Dataset]. https://search.gesis.org/research_data/datasearch-httpsdataverse-unc-eduoai--hdl1902-29DVD-0002
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    Dataset updated
    May 6, 2021
    Dataset provided by
    UNC Dataverse
    GESIS search
    License

    https://search.gesis.org/research_data/datasearch-httpsdataverse-unc-eduoai--hdl1902-29DVD-0002https://search.gesis.org/research_data/datasearch-httpsdataverse-unc-eduoai--hdl1902-29DVD-0002

    Description

    This edition of the Congressional District Atlas on DVD contains maps and tables that reflect the boundaries and geographic relationships for the 108th Congressional Districts. There are three map types included: individual congressional district maps, state-based congressional district maps, and a national congressional district map. The tables show the relationship of congressional districts to counties and county equivalents, incorporated places and census designated places (including cons olidated cities), county subdivisions (for 18 states), American Indian areas, census tracts, ZIP Code Tabulation Areas (ZCTAs), urban and rural population and land area, and school districts. The maps are in PDF format and tables are in both PDF and TEXT format. A browser-based interface for accessing maps and tables is included on the DVD.

    Note to Users: This DVD is part of a collection located in the Data Archive of the Odum Institute for Research in Social Science, at the University of North Carolina at Chapel Hill. The collection is located in Room 10, Manning Hall. Users may check the CDs out subscribing to the honor system. Items can be checked out for a period of two weeks. Loan forms are located adjacent to the collection.

  8. g

    Congressional District Atlas. 105th Congress of the United States

    • datasearch.gesis.org
    • dataverse-staging.rdmc.unc.edu
    Updated Jan 22, 2020
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    U.S. Department of Commerce; U.S. Bureau of the Census (2020). Congressional District Atlas. 105th Congress of the United States [Dataset]. https://datasearch.gesis.org/dataset/httpsdataverse.unc.eduoai--hdl1902.29CD-0063
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    Dataset updated
    Jan 22, 2020
    Dataset provided by
    Odum Institute Dataverse Network
    Authors
    U.S. Department of Commerce; U.S. Bureau of the Census
    Area covered
    United States
    Description

    This edition of the Congressional District Atlas contains maps and tables for the 105th Congress of the United States. The maps show the boundaries of each congressional district. Tables listing the jurisdictions that are completely or partially within each congressional district are included. For states with only one congressional district, a state map is included but there is no table. The maps and tables are designed for page size (8 1/2 x 11) printed output. Although the map images use co lor for enhanced viewing, the design allows for acceptable black and white desktop printing. For more information, see the sections on Maps and Tables. Background: 103rd and 104th Congress Following the 1990 decennial census, most states redistricted for the 103rd Congress based upon the apportionment of the seats for the U.S. House of Representatives and the most recent decennial census data. For the 104th Congress, six states redistricted or through court action had either plans revised or redrawn. These states were Georgia, Louisiana, Maine, Minnesota, South Carolina and Virginia. The 104th Congress began January 1995 and continued through the beginning of January 1997. 105th Congress The 105th Congress began January 5, 1997 and continues through the beginning of January 1999. For the 105th Congress, Florida, Georgia, Kentucky, Louisiana, and Texas had new or revised congressional district plans. The Census Bureau retabulated demographic data from the 1990 census to accommodate any congressional district boundary changes from the previous Congress. This data is available on a separate CD-ROM from the Census Bureau Customer Service Branch (301) 457-4100. The 105th Congressional District Atlas CD-ROM provides maps showing the boundaries of the congressional districts of the 105th Congress. To meet the data needs for the 105th Congress, the Census Bureau designed this product on CD-ROM for all states. It contains maps and related entity tables in Adobe.

    Note to Users: This CD is part of a collection located in the Data Archive of the Odum Institute for Research in Social Science, at the University of North Carolina at Chapel Hill. The collection is located in Room 10, Manning Hall. Users may check the CDs out subscribing to the honor system. Items can be checked out for a period of two weeks. Loan forms are located adjacent to the collection.

  9. j

    Educational Service Districts Map

    • gis.jacksoncountyor.gov
    Updated Sep 1, 2015
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    Jackson County GIS (2015). Educational Service Districts Map [Dataset]. https://gis.jacksoncountyor.gov/documents/1f0c3a1cbd4e4788b56a86fb1f3d9785
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    Dataset updated
    Sep 1, 2015
    Dataset authored and provided by
    Jackson County GIS
    Description

    This map shows the boundaries of the Educational Service Districts and school location by level in Jackson County. The map document size is 34 inches by 44 inches.

  10. w

    Washington State Legislative Districts 2024

    • geo.wa.gov
    • hub.arcgis.com
    • +1more
    Updated Mar 28, 2024
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    Office of Financial Management (2024). Washington State Legislative Districts 2024 [Dataset]. https://geo.wa.gov/datasets/wa-ofm::washington-state-legislative-districts-2024/explore
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    Dataset updated
    Mar 28, 2024
    Dataset authored and provided by
    Office of Financial Management
    Area covered
    Description

    Washington Legislative Districts 2024, also known as Remedial Map 3B, created in CASE NO. 3:22-cv-05035-RSL at the United States District Court for the Western District of Washinton at Seattle, presided over by judge Robert. S Lasnik.https://www.documentcloud.org/documents/24483664-redistricting-orderThese districts replace the 2022 Legislative districts and will be used in the 2024 elections pending US Supreme Court action.Please note that there are four split Census Blocks due to annexations in Yakima County. Portions of blocks 530770018013012, 530770018012077, 530770020042004, and 530770018011075 transferred from LD 15 to LD 14. This feature layer contains 49 features representing each of Washington State's 49 legislative districts and is projected to NAD 1983 HARN Washington State Plane South US Feet.For questions, please contact Nicholas Pharris at the Secretary of State. nicholas.pharris@sos.wa.gov

  11. d

    City Council District Maps.

    • datadiscoverystudio.org
    • data.amerigeoss.org
    • +1more
    pdf
    Updated Sep 2, 2017
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    (2017). City Council District Maps. [Dataset]. http://datadiscoverystudio.org/geoportal/rest/metadata/item/7cc09629d4cc497aa5a31865789dbebe/html
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    pdfAvailable download formats
    Dataset updated
    Sep 2, 2017
    Description

    description: Map Gallery for City Council Districts. For raw GIS Data see City Council GIS Data; abstract: Map Gallery for City Council Districts. For raw GIS Data see City Council GIS Data

  12. a

    US Congressional District Map

    • hub.arcgis.com
    • maconinsights.com
    • +1more
    Updated Feb 16, 2018
    + more versions
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    Macon-Bibb County Government (2018). US Congressional District Map [Dataset]. https://hub.arcgis.com/documents/MaconBibb::us-congressional-district-map/about
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    Dataset updated
    Feb 16, 2018
    Dataset authored and provided by
    Macon-Bibb County Government
    Area covered
    United States
    Description

    This map shows Congressional District boundaries for the United States. The map is set to middle Georgia.

    Congressional districts are the 435 areas from which members are elected to the U.S. House of Representatives. After the apportionment of congressional seats among the states, which is based on decennial census population counts, each state with multiple seats is responsible for establishing congressional districts for the purpose of electing representatives. Each congressional district is to be as equal in population to all other congressional districts in a state as practicable. The boundaries and numbers shown for the congressional districts are those specified in the state laws or court orders establishing the districts within each state.

    Congressional districts for the 108th through 112th sessions were established by the states based on the result of the 2000 Census. Congressional districts for the 113th through 115th sessions were established by the states based on the result of the 2010 Census. Boundaries are effective until January of odd number years (for example, January 2015, January 2017, etc.), unless a state initiative or court ordered redistricting requires a change. All states established new congressional districts in 2011-2012, with the exception of the seven single member states (Alaska, Delaware, Montana, North Dakota, South Dakota, Vermont, and Wyoming).

    For the states that have more than one representative, the Census Bureau requested a copy of the state laws or applicable court order(s) for each state from each secretary of state and each 2010 Redistricting Data Program state liaison requesting a copy of the state laws and/or applicable court order(s) for each state. Additionally, the states were asked to furnish their newly established congressional district boundaries and numbers by means of geographic equivalency files. States submitted equivalency files since most redistricting was based on whole census blocks. Kentucky was the only state where congressional district boundaries split some of the 2010 Census tabulation blocks. For further information on these blocks, please see the user-note at the bottom of the tables for this state.

    The Census Bureau entered this information into its geographic database and produced tabulation block equivalency files that depicted the newly defined congressional district boundaries. Each state liaison was furnished with their file and requested to review, submit corrections, and certify the accuracy of the boundaries.

  13. c

    USA Congressional Districts

    • data.cityofrochester.gov
    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    • +1more
    Updated Apr 18, 2022
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    Open_Data_Admin (2022). USA Congressional Districts [Dataset]. https://data.cityofrochester.gov/maps/usa-congressional-districts/about
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    Dataset updated
    Apr 18, 2022
    Dataset authored and provided by
    Open_Data_Admin
    Area covered
    Description

    This web map features the 117th Congressional Districts for the United States. The districts are symbolized by the political party of the current incumbent. At larger scales, the districts are labeled with the name of the incumbent.

  14. d

    City Council Districts

    • catalog.data.gov
    • data.bloomington.in.gov
    Updated Nov 15, 2024
    + more versions
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    data.bloomington.in.gov (2024). City Council Districts [Dataset]. https://catalog.data.gov/dataset/city-council-districts-3c7fb
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    Dataset updated
    Nov 15, 2024
    Dataset provided by
    data.bloomington.in.gov
    Description

    This map layer represents the City Council Districts for the City of Bloomington, Indiana. Bloomington contains six representative council districts, numbered one (1) through six (6). Boundaries are set by City ordinance. Districts are based on voting precincts and the municipal boundary. Any additional area annexed by the city are placed in council districts defined by the annexation ordinance. District boundaries may be altered by council action but done rarely other than the redistricting process that follows the Decennial US Census.

  15. d

    Allegheny County Voting District (2015) Web Map

    • catalog.data.gov
    • data.wprdc.org
    • +2more
    Updated Jan 24, 2023
    + more versions
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    Allegheny County (2023). Allegheny County Voting District (2015) Web Map [Dataset]. https://catalog.data.gov/dataset/allegheny-county-voting-district-2015-web-map
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    Dataset updated
    Jan 24, 2023
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    This webmap demarcates municipal voting districts in 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: Elections Divison; Department of Administrative Services Temporal Coverage: 2015 Data Notes: Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot Development Notes: County staff scanned original court maps into the GIS and rubber-sheeted them to fit the Allegheny County GIS Base Data developed from a flyover in 1992-93. Other: none Related Document(s): Data Dictionary (https://docs.google.com/spreadsheets/d/1HR24LyBNpLwvJZoaGp-tBGRw0HRoXNIef6nU4UQQMMo/edit?usp=sharing) Frequency - Data Change: As needed Frequency - Publishing: As needed Data Steward Name: Eli Thomas Data Steward Email: gishelp@alleghenycounty.us

  16. d

    Allegheny County Voting District (2016) Web Map

    • catalog.data.gov
    • data.wprdc.org
    • +2more
    Updated Jan 24, 2023
    + more versions
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    Allegheny County (2023). Allegheny County Voting District (2016) Web Map [Dataset]. https://catalog.data.gov/dataset/allegheny-county-voting-district-2016-web-map
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    Dataset updated
    Jan 24, 2023
    Dataset provided by
    Allegheny County
    Area covered
    Allegheny County
    Description

    This webmap demarcates municipal voting districts in 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: Elections Division; Department of Administrative Services Temporal Coverage: 2016 Data Notes: Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot Development Notes: County staff scanned original court maps into the GIS and rubber-sheeted them to fit the Allegheny County GIS Base Data developed from a flyover in 1992-93. Other: none Related Document(s): Data Dictionary (https://docs.google.com/spreadsheets/d/1HR24LyBNpLwvJZoaGp-tBGRw0HRoXNIef6nU4UQQMMo/edit?usp=sharing) Frequency - Data Change: As needed Frequency - Publishing: As needed Data Steward Name: Eli Thomas Data Steward Email: gishelp@alleghenycounty.us

  17. d

    Neighborhood Map Atlas Districts

    • catalog.data.gov
    • hub.arcgis.com
    Updated Feb 28, 2025
    + more versions
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    City of Seattle (2025). Neighborhood Map Atlas Districts [Dataset]. https://catalog.data.gov/dataset/neighborhood-map-atlas-districts-fa969
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    Dataset updated
    Feb 28, 2025
    Dataset provided by
    City of Seattle
    Description

    Neighborhood map atlas district areas are derived from the Seattle City Clerk's Office Geographic Indexing Atlas. These are the largest neighborhood areas and have been supplemented with alternate names from other sources in 2020. They are subdivided further into the neighborhood map atlas sub-areas called neighborhoods. The sub-neighborhoods field contains a comma delimited list of all the sub-areas and their alternate names.The original atlas is designed for subject indexing of legislation, photographs, and other documents and is an unofficial delineation of neighborhood boundaries used by the City Clerks Office. Sources for this atlas and the neighborhood names used in it include a 1980 neighborhood map produced by the Department of Community Development, Seattle Public Library indexes, a 1984-1986 Neighborhood Profiles feature series in the Seattle Post-Intelligencer, numerous parks, land use and transportation planning studies, and records in the Seattle Municipal Archives. Many of the neighborhood names are traditional names whose meaning has changed over the years, and others derive from subdivision names or elementary school attendance areas.Disclaimer: The Seattle City Clerk's Office Geographic Indexing Atlas is designed for subject indexing of legislation, photographs, and other records in the City Clerk's Office and Seattle Municipal Archives according to geographic area. Neighborhoods are named and delineated in this collection of maps in order to provide consistency in the way geographic names are used in describing records of the Archives and City Clerk, thus allowing precise retrieval of records. The neighborhood names and boundaries are not intended to represent any "official" City of Seattle neighborhood map. The Office of the City Clerk makes no claims as to the completeness, accuracy, or content of any data contained in the Geographic Indexing Atlas; nor does it make any representation of any kind, including, but not limited to, warranty of the accuracy or fitness for a particular use; nor are any such warranties to be implied or inferred with respect to the representations furnished herein. The maps are subject to change for administrative purposes of the Office of the City Clerk. Information contained in the site, if used for any purpose other than as an indexing and search aid for the databases of the Office of the City Clerk, is being used at one's own risk.

  18. D

    Detroit Council Districts

    • detroitdata.org
    • maps-semcog.opendata.arcgis.com
    Updated Feb 15, 2024
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    Southeast Michigan Council of Governments (SEMCOG) (2024). Detroit Council Districts [Dataset]. https://detroitdata.org/dataset/detroit-council-districts
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    arcgis geoservices rest api, csv, geojson, kml, html, zipAvailable download formats
    Dataset updated
    Feb 15, 2024
    Dataset provided by
    Southeast Michigan Council of Governments (SEMCOG)
    Area covered
    Detroit
    Description
    By using this data, you agree to the SEMCOG Copyright License Agreement.

    Detroit Council Districts

  19. California State Assembly Districts (October 2024)

    • data.ca.gov
    • data.cnra.ca.gov
    • +4more
    Updated Nov 8, 2024
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    California Energy Commission (2024). California State Assembly Districts (October 2024) [Dataset]. https://data.ca.gov/dataset/california-state-assembly-districts-october-2024
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    txt, csv, geojson, gpkg, zip, gdb, html, arcgis geoservices rest api, kml, xlsxAvailable download formats
    Dataset updated
    Nov 8, 2024
    Dataset authored and provided by
    California Energy Commissionhttp://www.energy.ca.gov/
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    California
    Description

    California State Assembly district boundaries intended for the NEVI map.


  20. C

    California State Senate Districts Map 2020

    • data.ca.gov
    • gis.data.ca.gov
    Updated Mar 20, 2023
    + more versions
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    California Citizens Redistricting Commission (2023). California State Senate Districts Map 2020 [Dataset]. https://data.ca.gov/dataset/california-state-senate-districts-map-2020
    Explore at:
    kml, csv, html, zip, arcgis geoservices rest api, geojsonAvailable download formats
    Dataset updated
    Mar 20, 2023
    Dataset provided by
    California Department of Technology
    Authors
    California Citizens Redistricting Commission
    Area covered
    California
    Description

    Final approved map by the 2020 California Citizens Redistricting Commission for the California State Senate; the authoritative and official delineations of the California State Senate drawn during the 2020 redistricting cycle. The Citizens Redistricting Commission for the State of California has created statewide district maps for the State Assembly, State Senate, State Board of Equalization, and United States Congress in accordance, with the provisions of Article XXI of the California Constitution. The Commission has approved the final maps and certified them to the Secretary of State.


    Line drawing criteria included population equality as required by the U.S. Constitution, the Federal Voting Rights Act, geographic contiguity, geographic integrity, geographic compactness, and nesting. Geography was defined by U.S. Census Block geometry.

    Each of the 40 Senate districts has an ideal population of nearly one million people and represents the largest state legislative districts in the nation. In consideration of population equality, the Commission chose to limit the population deviation as close to zero percent as practicable. Per the California Constitution, the Commission strived to nest two Assembly districts where practicable. However, higher ranking criteria made this difficult in practice. While the size of the Senate districts allowed the Commission to recognize broadly shared interests, these interests did not always overlap exactly with the interests of smaller communities recognized in the related Assembly districts. Based on the large number of people in each district, there were a variety of different interests that were balanced and included.

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California Department of Education (2025). California Public Schools and Districts Map [Dataset]. https://data.ca.gov/dataset/california-public-schools-and-districts-map
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California Public Schools and Districts Map

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Dataset updated
Apr 29, 2025
Dataset authored and provided by
California Department of Educationhttps://www.cde.ca.gov/
Area covered
California
Description

This web map displays the California Department of Education's (CDE) core set of geographic data layers. This content represents the authoritative source for all statewide public school site locations and school district service areas boundaries for the 2018-19 academic year. The map also includes school and district layers enriched with student demographic and performance information from the California Department of Education's data collections. These data elements add meaningful statistical and descriptive information that can be visualized and analyzed on a map and used to advance education research or inform decision making.

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