Datasets > Pennsylvania > 2025-present

Census Block Groups [Pennsylvania]

Pennsylvania Spatial Data Access (PASDA) · 2025 Full Details

Full Details

Title
Census Block Groups [Pennsylvania]
Description
Block Groups; January 1, 2024 vintage Block Groups (BGs) are statistical divisions of census tracts, are generally defined to contain between 600 and 3,000 people, and are used to present sample data and control block numbering. A block group consists of clusters of blocks within the same census tract that have the same first digit of their four-digit census block number. For example, blocks 3001, 3002, 3003 . . . 3999 in census tract 1210.02 belong to BG 3 in that census tract. Block groups generally contain between 600 and 3,000 people. Most BGs were delineated by local participants in the Census Bureau's Participant Statistical Areas Program. The Census Bureau delineated BGs only where a local or tribal government declined to participate and a regional organization or State Data Center was not available to participate. A BG usually covers a contiguous area. Each census tract contains at least one BG and BGs are uniquely numbered within census tract. Within the standard census geographic hierarchy, BGs never cross county or census tract boundaries but may cross the boundaries of areas any other geographic entity. Tribal census tracts and tribal BGs are separate and unique geographic areas defined within federally recognized American Indian reservations and can cross state and county boundaries. The tribal census tracts and tribal block groups may be completely different from the census tracts and block groups defined by state and county.
Creator
Homeland Infrastructure Foundation Level Data HIFLD
Publisher
Pennsylvania Spatial Data Access (PASDA)
Date Issued
2025
Access Rights
Public
Format
File
Language
English
Date Added
November 16, 2025
Provenance Statement
The metadata for this resource was last retrieved from PASDA on 2025-11-16.

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Cite and Reference

  • Citation
    Homeland Infrastructure Foundation Level Data HIFLD (2025). Census Block Groups [Pennsylvania]. Pennsylvania Spatial Data Access (PASDA). https://www.pasda.psu.edu/uci/DataSummary.aspx?dataset=9026 (dataset)
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