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State of California Open Data

Find California data

Access thousands of datasets to support your next analysis or project

Popular datasets

COVID-19 hospital dataCA geographic boundariesCOVID-19 vaccine progressList of Approved Medical Provider NetworkCounty and ZIP code referenceCOVID-19 Time-Series Metrics by County and State

Topics

Natural resources

Themes include wildlife, fire, farmland, land use, renewable energy, geology, recreation.

3185 Datasets

Water

Themes include well water, water quality, wastewater, watershed, storm water, drinking water.

614 Datasets

Health and human services

Themes include social service programs, infectious diseases, Medi-Cal, birth rates, hospital data.

494 Datasets

Economy and demographics

Themes include taxes, licensing, funding, financial reporting.

288 Datasets

COVID-19

Themes include vaccinations, positivity, deaths, logistics and testing.

56 Datasets

Government

Themes relating to government operations.

50 Datasets

Transportation

Themes include roadways, traffic, airports, shipping, rail.

39 Datasets

California State Geoportal

Explore, visualize, and download California data. Visit our California State Geoportal.