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41 datasets

2020 Census Allocation to 2010 Census Tracts

  • Published by: California Department of Finance
  • Last updated: Friday, April 3, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

Because the 2020 Census relationship files released by the Census Bureau did not include population or housing unit percentage allocations, alternativ...

i16 Census Tract DisadvantagedCommunities 2023

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 4, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tracts feature class. Th...

SB 535 Disadvantaged Communities 2022 (Census Tracts)

  • Published by: California Office of Environmental Health Hazard Assessment
  • Last updated: Saturday, April 4, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This map shows the 2022 disadvantaged communities designated by CalEPA for the purpose of SB 535. These areas represent:Highest scoring 25% of census ...

i16 Census Tract EconomicallyDistressedAreas 2023

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 4, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tract feature class. The...

REV 2.0 Eligible and Ineligible Census Tracts

  • Published by: California Energy Commission
  • Last updated: Saturday, April 4, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Census tracts are designated as urban, rural center, or rural through SB 1000 analysis. These designations are being used for the REV 2.0 and Communit...

DACs - Census

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 4, 2026
  • File types: ZIP

The following data were used for the Department of Water Resources' (DWR) Disadvantaged Communities (DAC) Mapping Tool: https://gis.water.ca.gov/app/d...

2020 Census PUMAs Final

  • Published by: California Department of Finance
  • Last updated: Friday, April 3, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

The ApplicationThis application allows comparison of the proposed California 2020 Public Use Microdata Areas (PUMAs) with the 2010 PUMAs. The boundari...

i16 Census BlockGroup DisadvantagedCommunities 2023

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 4, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the Census 2020 Block Group feature clas...

i16 Census BlockGroup EconomicallyDistressedAreas 2023

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 4, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a copy of the statewide Census Block Group GIS Tiger file. The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 201...

SB 1000 Populations

  • Published by: California Energy Commission
  • Last updated: Saturday, April 4, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Definitions:Urban: Contiguous urban census tracts with a population of 50,000 or greater. Urban census tracts are tracts where at least 10 percent of ...