Census Block Groups 2025

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Block Groups are a combination of census blocks and are also a subdivision of census tracts. Census Bureau Block Groups generally contain between 600 and 3000 people and are made up of on average 40 census blocks. Tracts (which are included with Maptitude and TransCAD) are made up of on average 4 Block Groups. Block Groups are more detailed than any Census geography layer shipped with Maptitude or TransCAD. Caliper also offers more detailed Census Block maps.

The 2025 Census Block Groups Data product contains a nationwide boundary file database with 242,180 census block groups and demographic data from the 2020 Census, 2010 Census, and 2019-2023 American Community Survey (ACS).

Sample Maptitude map of median age by census block roup

Available File Formats:

Price: FREE For users of the latest version of Maptitude with the USA Country Package

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Data Fields Included:

Includes 45 fields of demographic data from the 2020 Census:

Includes 138 fields of demographic data from the 2010 Census:

Includes 506 fields of demographic data from the 2023 ACS and other sources:

Includes 5 fields of 2020 buying power data:

Learn More Learn more about Census summary levels (e.g., Blocks, Block Groups, and Tracts)
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