• Organization: Loudoun County, Virginia
• Updated: 2023-09-12T13:43:12.000Z

This GIS layer contains the geographical boundaries of the 2020 census block groups for Loudoun County, Virginia. The 2020 Census block group boundaries are used for Census Bureau statistical data...

• csv
• geojson
• kml
• zip
• web page
• arcgis geoservices rest api

• Organization: City of Tempe
• Updated: 2022-04-19T22:24:28.648Z

Boundaries of Census Block Groups (2020) in the City of Tempe. Please note that Block Group boundaries have been clipped to the City of Tempe boundary and may not represent the full size or shape...

• csv
• geojson
• kml
• zip
• web page
• arcgis geoservices rest api

• Organization: City of Seattle
• Updated: 2024-04-30

2020 census block groups for the City of Seattle.

• html
• html
• html
• html
• html
• html

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-11-17T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the Milwaukee, WI EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria described...

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-04-08T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the Washington, DC EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria described...

• Organization: U.S. Environmental Protection Agency
• Updated: 2018-07-20T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the Philadelphia, PA EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria...

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-05-08T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the Chicago, IL EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria described in...

• Organization: District of Columbia
• Updated: 2025-04-28T19:11:55.000Z

Standard block groups are clusters of blocks within the same census tract that have the same first digit of their 4-character census block number (e.g., Blocks 3001, 3002, 3003 to 3999 in census...

• arcgis geoservices rest api
• ogc wms
• csv
• geojson
• kml
• zip
• +1 more

• Organization: State of Maryland
• Updated: 2025-05-05

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Block Groups (BGs) are defined before tabulation block delineation and numbering - but are clusters of...

• html

• Organization: U.S. Environmental Protection Agency
• Updated: 2022-07-06T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the Tacoma, WA EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria described in...

• Organization: U.S. Environmental Protection Agency
• Updated: 2018-09-06T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the Sonoma County, CA EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria...

• Organization: U.S. Environmental Protection Agency
• Updated: 2022-07-06T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the San Diego, CA EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria described...

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-08-12T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the Los Angeles, CA EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria...

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-06-21T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the St. Louis, MO EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria described...

• Organization: U.S. Environmental Protection Agency
• Updated: 2018-05-25T00:00:00.000+00:00

This EnviroAtlas dataset is the base layer for the Salt Lake City, UT EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria...

• Organization: District of Columbia
• Updated: 2022-03-01T17:13:39.000Z

Census Block Groups from 2020. Redistricting Data (P.L. 94-171).Contact:  District of Columbia, Office of Planning.  Email:  planning@dc.govGeography:  Block GroupsCurrent Vintage: 2020P.L. 94-171...

• arcgis geoservices rest api
• web page

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2011-01-01T00:00:00.000+00:00

This data depicts the social vulnerability of coastal states census block groups to environmental hazards. Data were culled primarily from the 2000 Decennial Census.

• html
• html
• html
• html

• Organization: City of Austin
• Updated: 2025-11-17

DATASET DESCRIPTION: Census Block Group polygons from the United States Census Bureau (2022) of the Austin area, including Hays, Travis and Williamson counties and a portion of western Bastrop...

• html
• html
• html
• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2011-01-01T00:00:00.000+00:00

This data depicts the social vulnerability of Pennsylvania census block groups to environmental hazards. Data were culled primarily from the 2000 Decennial Census.

• html
• html
• html
• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2011-01-01T00:00:00.000+00:00

This data depicts the social vulnerability of Virginia census block groups to environmental hazards. Data were culled primarily from the 2000 Decennial Census.

• html
• html
• html
• html