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166 datasets

California Census Designated Places (CDPs)

  • Published by: California Department of Technology
  • Last updated: Wednesday, October 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

No description available...

i16 Census Place DisadvantagedCommunities 2023

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 6, 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 Place feature class. A C...

i16 Census Place EconomicallyDistressedAreas 2023

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 6, 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 Counties feature class, ...

California Population Trends by Geography

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 6, 2026
  • File types: CSV, WEBSITE

The datasets provide population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed ...

California Water Rights Violations

  • Published by: California State Water Resources Control Board
  • Last updated: Friday, August 29, 2025
  • File types: CSV, XLSX, DOCX

This list includes detail information for each violation record as stored in the State Water Resources Control Board's "Electronic Water Rights Inform...

California Water Rights Points of Investigation List

  • Published by: California State Water Resources Control Board
  • Last updated: Friday, August 29, 2025
  • File types: CSV, XLSX, DOCX

This list includes detail information about every Point of Investigation (POI) water rights record in the State Water Resources Control Board's "Elect...

California Overlapping Cities and Counties and Identifiers

  • Published by: California Department of Technology
  • Last updated: Wednesday, October 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

WARNING: This is a pre-release dataset and its fields names and data structures are subject to change. It should be considered pre-release until the e...

California County Boundaries and Identifiers

  • Published by: California Department of Technology
  • Last updated: Wednesday, October 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. ...

California City Boundaries and Identifiers

  • Published by: California Department of Technology
  • Last updated: Wednesday, October 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. ...

Fault Activity Map of California (2010)

  • Published by: California Department of Conservation
  • Last updated: Monday, April 6, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

"This digital database contains the faults shown on the Fault Activity Map of California by Charles W. Jennings and William A. Bryant published i...