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2122 datasets

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Sunday, July 12, 2026
File types: WEBSITE, ARCGIS GEOSERVICES REST API, PDF, ZIP, CSV

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

Spatial and Economic Human Uses, California South Coast MPA Baseline Study, 1992 to 2012

Published by: California Ocean Protection Council
Last updated: Friday, July 10, 2026
File types: PDF, ZIP, CSV, XML

This study addresses the South Coast MPA Baseline Program objectives by describing human use patterns across the study region and establishing initial...

California School District Areas 2023-24

Published by: California Department of Education
Last updated: Saturday, July 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This layer serves as the authoritative geographic data source for all school district area boundaries in California. School districts are single purpo...

California School District Areas 2025-26

Published by: California Department of Education
Last updated: Saturday, July 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This layer serves as the authoritative geographic data source for all school district area boundaries in California. School districts are single purpo...

CA State Senate Districts and Membership 2025-2030

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

This is the last boundary change until the next redistricting following the 2030 Census. All of the districts now reflect the 2021 Citizens Redistrict...

California School District Areas 2024-25

Published by: California Department of Education
Last updated: Sunday, July 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer serves as the authoritative geographic data source for all school district area boundaries in California. School districts are single purpo...

DACs - Census

Published by: California Department of Water Resources
Last updated: Saturday, July 11, 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...

Retail Availability of Electronic Smoking Devices by County

Published by: California Department of Public Health
Last updated: Saturday, July 11, 2026
File types: CSV, XLSX, ZIP

This data table shows the percentage of tobacco retailer stores that sell electronic smoking devices (including e-cigarettes, other vapor devices or e...

Dual Medi-Cal Enrollment and Medicare Advantage Enrollment in the Medicare Population in California Counties

Published by: California Department of Health Care Services
Last updated: Saturday, July 11, 2026
File types: ZIP, CSV, PDF

This data set accompanies the Profile of the California Medicare Population chartbook, published by the Office of Medicare Innovation and Integration ...

Population Percentage Within a Quarter Mile of Alcohol Outlets

Published by: California Department of Public Health
Last updated: Saturday, July 11, 2026
File types: PDF, CSV, ZIP

This table contains data on the percentage of the total population living within 1/4 mile of alcohol outlets (off-sale, on-sale, total) for California...