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30 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...

DACs - Census

Published by: California Department of Water Resources
Last updated: Friday, April 3, 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...

Medical Service Study Areas

Published by: Department of Health Care Access and Information
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is the current Medical Service Study Area. California Medical Service Study Areas are created by the California Department of Health Care Access ...

California Urban Area Delineations

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

The Census Bureau released revised delineations for urban areas on December 29, 2022. The new criteria (contained in this Federal Register Notice) is ...

Population Percentage Within a Quarter Mile of Alcohol Outlets

Published by: California Department of Public Health
Last updated: Friday, April 3, 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...

Transportation to Work

Published by: California Department of Public Health
Last updated: Friday, April 3, 2026
File types: PDF, XLSX, ZIP

This table contains data on the percent of residents aged 16 years and older mode of transportation to work for California, its regions, counties, cit...

CalEnviroScreen 2.0

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: CSV, XLSX, PDF

The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), developed Californ...

CalEnviroScreen 3.0 Results

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: PDF, CSV, SHP

CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are...

Road Traffic Injuries

Published by: California Department of Public Health
Last updated: Friday, April 3, 2026
File types: PDF, XLSX, ZIP

This table contains data on the annual number of fatal and severe road traffic injuries per population and per miles traveled by transport mode, for C...