• 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...

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• 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...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2013-12-20T00:00:00.000+00:00

The TIGERweb Decennial application allows users to access and view geospatial features, geographic area information, and associated attributes from the U.S. Census Bureau Topologically...

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• Organization: Montgomery County of Maryland
• Updated: 2024-04-10

Census Tracts from 2010 census, from US Census Bureau

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

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Census Blocks are statistical areas bounded on all sides by visible features - such as streets - roads...

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• 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...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2013-12-20T00:00:00.000+00:00

The TIGERweb application allows users to access and view geospatial features, geographic area information, and associated attributes from the U.S. Census Bureau Topologically Integrated...

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

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation...

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• Organization: City of San Francisco
• Updated: 2024-03-13

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...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2014-01-01T00:00:00.000+00:00

A tribal block group is a cluster of census tabulation blocks within a single tribal census tract delineated by American Indian tribal participants or the Census Bureau for the...

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• Organization: City of San Francisco
• Updated: 2024-03-13

A. SUMMARY Census blocks with Pacific Ocean and San Francisco Bay water clipped out. Census Block groups are the next level above census blocks in the geographic hierarchy. Block groups are a...

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• Organization: Loudoun County, Virginia
• Updated: 2023-09-12T13:42:54.000Z

This GIS layer contains the geographical boundaries of the 2020 census tracts for Loudoun County, Virginia. The 2020 Census tract boundaries are used for Census Bureau statistical data tabulation...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2018-01-01T00:00:00.000+00:00

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...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2017-01-01T00:00:00.000+00:00

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...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2025-10-01T00:00:00.000+00:00

This resource is a member of a series. 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...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2013-01-01T00:00:00.000+00:00

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...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2015-01-01T00:00:00.000+00:00

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 /...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2016-01-01T00:00:00.000+00:00

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...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2014-01-01T00:00:00.000+00:00

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 /...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2013-01-01T00:00:00.000+00:00

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 /...

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