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

    Census 2020: Block Groups for San Francisco

    Metadata Updated: March 29, 2025

    A. SUMMARY Census Block groups are the next level above census blocks in the geographic hierarchy. Block groups are a combination of census blocks that is a subdivision of a census tract.A block group consists of all census blocks whose numbers begin with the same digit in a given census tract; for example, block group 3 includes all census blocks numbered in the 300s. More information on the census tracts can be found here.

    B. HOW THE DATASET IS CREATED The boundaries are uploaded from TIGER/Line shapefiles provided by the U.S. Census Bureau.

    C. UPDATE PROCESS This dataset is static. Changes to the census blocks are tracked in multiple datasets. See here for 2000 census tract boundaries.

    D. HOW TO USE THIS DATASET This boundary file can be joined to other census datasets on GEOID. Column descriptions can be found on in the technical documentation included on the census.gov website

    E. RELATED DATASETS Census 2020: Census Tracts for San Francisco Analysis Neighborhoods - 2020 census tracts assigned to neighborhoods Census 2020: Blocks for San Francisco Census 2020: Blocks for San Francisco Clipped to SF Shoreline Census 2020: Blocks Groups for San Francisco Clipped to SF Shoreline

    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: See this page for license information.

    Downloads & Resources

    Dates

    Metadata Created Date September 9, 2022
    Metadata Updated Date March 29, 2025

    Metadata Source

    Harvested from SFO JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 9, 2022
    Metadata Updated Date March 29, 2025
    Publisher data.sfgov.org
    Maintainer
    Identifier https://data.sfgov.org/api/views/24e8-pd2q
    Data First Published 2022-07-25
    Data Last Modified 2024-03-13
    Category Geographic Locations and Boundaries
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://data.sfgov.org/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 18c94e01-c302-4123-9917-2943edf2a6b5
    Harvest Source Id 8507fa43-f429-4095-b732-2177330ce485
    Harvest Source Title SFO JSON
    Homepage URL https://data.sfgov.org/d/24e8-pd2q
    License http://opendatacommons.org/licenses/pddl/1.0/
    Source Datajson Identifier True
    Source Hash 27a7f84f5948360c83a829789290fa3fed83af7993feded56dc8fcfef0dd198e
    Source Schema Version 1.1

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