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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    Assessor - Neighborhood Boundaries

    Metadata Updated: February 1, 2026

    Neighborhood polygons used by the Cook County Assessor's Office for valuation and reporting. These neighborhoods are specific to the Assessor. They are intended to represent homogenous housing submarkets, NOT Chicago community areas or municipalities.

    These neighborhoods were reconstructed from individual parcels using spatial buffering and simplification. The full transformation script can be found on the Assessor's GitHub.

    Read about the Assessor's 2025 Open Data Refresh.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date May 26, 2022
    Metadata Updated Date February 1, 2026

    Metadata Source

    Harvested from cookcountyil json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date May 26, 2022
    Metadata Updated Date February 1, 2026
    Publisher datacatalog.cookcountyil.gov
    Maintainer
    Identifier https://datacatalog.cookcountyil.gov/api/views/pcdw-pxtg
    Data First Published 2022-04-29
    Data Last Modified 2026-01-27
    Category Property & Taxation
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://datacatalog.cookcountyil.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 918d8a82-4196-4181-87bc-b6ecbe3ccace
    Harvest Source Id d52781fd-51ef-4061-9cd2-535a0afb663b
    Harvest Source Title cookcountyil json
    Homepage URL https://datacatalog.cookcountyil.gov/d/pcdw-pxtg
    Source Datajson Identifier True
    Source Hash 5ad977e562a1cfd2d813941bdf50bcb3b83b44d3415f7399ce0f05da1688167e
    Source Schema Version 1.1

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