Data Catalog

• Census Block Groups in 2020

  District of Columbia —

  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,...

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  • OGC WMS
  • CSV
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  • 1 more in dataset

• Census Blocks in 2020

  District of Columbia —

  Census blocks are statistical areas bounded on all sides by visible features (e.g., streets, roads, streams, and railroad tracks), and by non-visible boundaries (e.g.,...

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  • ArcGIS GeoServices REST API
  • OGC WMS
  • CSV
  • ZIP
  • GeoJSON
  • 1 more in dataset

• 2020 Redistricting Data for DC Census Block Groups

  District of Columbia —

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

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  • ArcGIS GeoServices REST API

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