3 datasets found
  1. i

    ZIP Code Boundaries 2021

    • indianamap.org
    • indianamapold-inmap.hub.arcgis.com
    Updated May 13, 2022
    + more versions
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    IndianaMap (2022). ZIP Code Boundaries 2021 [Dataset]. https://www.indianamap.org/datasets/INMap::zip-code-boundaries-2021/about
    Explore at:
    Dataset updated
    May 13, 2022
    Dataset authored and provided by
    IndianaMap
    License

    MIT Licensehttps://opensource.org/licenses/MIT
    License information was derived automatically

    Area covered
    Description

    ZCTAs are approximate area representations of U.S. Postal Service (USPS) 5-digit ZIP Code service areas that the Census Bureau creates using census blocks to present statistical data from censuses and surveys. The Census Bureau defines ZCTAs by allocating each block that contains addresses to a single ZIP Code tabulation area, usually to the ZCTA that reflects the most frequently occurring ZIP Code for the addresses within that block. Blocks that do not contain addresses but that are completely surrounded by a single ZIP Code tabulation area (enclaves) are assigned to the surrounding ZCTA; those surrounded by multiple ZCTAs will be added to a single ZCTA based on the longest shared border. The Census Bureau identifies ZCTAs using a 5-character code that represents the most frequently occurring USPS ZIP Code within that ZCTA. This code may contain leading zeros. Users should not use ZCTAs to identify the official USPS ZIP Code for mail delivery. The USPS makes periodic changes to ZIP Codes to support more efficient mail delivery. ZIP Codes that cover primarily nonresidential or post office box addresses may not have a corresponding ZCTA because the delineation process uses primarily residential addresses, resulting in a bias towards ZIP Codes used for city-style mail delivery.

  2. i

    ZIP Code Boundaries

    • data.indy.gov
    • hub.arcgis.com
    Updated Dec 18, 2015
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    City of Indianapolis and Marion County - IndyGIS (2015). ZIP Code Boundaries [Dataset]. https://data.indy.gov/maps/bba987ced0cf4b7086650e3656b30d69
    Explore at:
    Dataset updated
    Dec 18, 2015
    Dataset authored and provided by
    City of Indianapolis and Marion County - IndyGIS
    Area covered
    Description

    Polygon file representing the ZIP code boundaries in Indianapolis and Marion County, Indiana.Data projection: NAD 1983 StatePlane Indiana East FIPS 1301 (US Feet)

  3. i

    Township Boundaries

    • data.indy.gov
    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    Updated Dec 18, 2015
    + more versions
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    City of Indianapolis and Marion County - IndyGIS (2015). Township Boundaries [Dataset]. https://data.indy.gov/datasets/township-boundaries/about
    Explore at:
    Dataset updated
    Dec 18, 2015
    Dataset authored and provided by
    City of Indianapolis and Marion County - IndyGIS
    Area covered
    Description

    Polygon file representing the nine township boundaries in Marion County, Indiana.Data projection: NAD 1983 StatePlane Indiana East FIPS 1301 (US Feet)

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Share
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TwitterTwitter
Email
Click to copy link
Link copied
Close
Cite
IndianaMap (2022). ZIP Code Boundaries 2021 [Dataset]. https://www.indianamap.org/datasets/INMap::zip-code-boundaries-2021/about

ZIP Code Boundaries 2021

Explore at:
Dataset updated
May 13, 2022
Dataset authored and provided by
IndianaMap
License

MIT Licensehttps://opensource.org/licenses/MIT
License information was derived automatically

Area covered
Description

ZCTAs are approximate area representations of U.S. Postal Service (USPS) 5-digit ZIP Code service areas that the Census Bureau creates using census blocks to present statistical data from censuses and surveys. The Census Bureau defines ZCTAs by allocating each block that contains addresses to a single ZIP Code tabulation area, usually to the ZCTA that reflects the most frequently occurring ZIP Code for the addresses within that block. Blocks that do not contain addresses but that are completely surrounded by a single ZIP Code tabulation area (enclaves) are assigned to the surrounding ZCTA; those surrounded by multiple ZCTAs will be added to a single ZCTA based on the longest shared border. The Census Bureau identifies ZCTAs using a 5-character code that represents the most frequently occurring USPS ZIP Code within that ZCTA. This code may contain leading zeros. Users should not use ZCTAs to identify the official USPS ZIP Code for mail delivery. The USPS makes periodic changes to ZIP Codes to support more efficient mail delivery. ZIP Codes that cover primarily nonresidential or post office box addresses may not have a corresponding ZCTA because the delineation process uses primarily residential addresses, resulting in a bias towards ZIP Codes used for city-style mail delivery.

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