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Virginia Open Data

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Loudoun County

Loudoun 2010 Census Blocks

More Metadata This GIS layer contains the geographical boundaries of the 2010 census blocks for Loudoun County, Virginia. The 2010 Census block boundaries were used for statistical data collection and tabulation…

  • HTML
  • ArcGIS
  • CSV
  • ZIP
  • GeoJSON

Updated Oct 10, 2026

Loudoun County

Loudoun 2020 Census Blocks

This GIS layer contains the geographical boundaries of the 2020 census blocks for Loudoun County, Virginia. The 2020 Census block boundaries were used for statistical data collection and tabulation purposes for the 2020…

  • HTML
  • ArcGIS
  • CSV
  • ZIP
  • GeoJSON

Updated Oct 10, 2026

Prototype by Datopian · not an official government website · data from data.virginia.gov