Open Data for a Better California
Search thousands of open datasets across state departments. Free, transparent, and ready to use.
Recently Added
Urban Water Use Objectives – Relevant Data
The Making Conservation a California Way of Life regulation requires urban retail water su
Vehicle Fuel Type Count by Zip Code
These datasets provide vehicle counts broken down by ZIP code, model year, fuel type, make
Surplus Land Act Notices of Availability Received
Notices of Availability of surplus locally owned land and description of each site/parcel.
Topics
Economy & Employment
Economic activity, labor markets, business development, wages, and workforce data across California.
177 datasets5 subtopicsEducation
K-12, higher education, teacher credentialing, and student outcome data.
14 datasets5 subtopicsEnergy & Utilities
Energy production, consumption, renewable energy, fuel data, broadband, and utility regulation.
1 datasets6 subtopicsEnvironment & Climate
Environmental quality, pollution, climate change, waste management, and environmental justice.
47 datasets7 subtopicsGovernment & Fiscal
Government operations, public finance, taxes, elections, transparency, and administrative data.
255 datasets8 subtopicsHealth & Human Services
Public health, healthcare delivery, social services, behavioral health, and community well-being.
496 datasets9 subtopicsHousing & Community Development
Housing supply, affordability, homelessness, and community development.
10 datasets5 subtopicsJustice & Public Safety
Law enforcement, corrections, emergency management, and public safety data.
20 datasets5 subtopicsNatural Resources & Conservation
Land management, geology, coastal resources, parks, conservation planning, wildfire data, and forest management.
4 datasets11 subtopicsTransportation
Roads, transit, active transportation, freight, vehicle data, and traffic safety.
84 datasets6 subtopicsWildlife & Ecosystems
Wildlife habitat, species data, biodiversity, marine biology, and ecological research.
0 datasets7 subtopicsPopular datasets
2015 Urban Water Management Plans (UWMPs) Historic Information
2015 Urban Water Management Plans (UWMPs) Historic Information
2021 Crash Data on State Highway System
The Crash Data On California State Highways Report is produced by the California Department of Transportation (Caltrans) to provide high level summaries of road miles, travel, crashes and crash rates on the California State Highway System. This table lists statewide vehicle travel expressed in Million Vehicle Miles (MVM), road miles, and one and three year crash rates and fatality rates based on lane types and population codes. While crash rates for total crash and fatal + injury crashes are calculated per MVM, fatality rates are expressed per 100 MVM.
2024 Crash Data on State Highway System
The Crash Data On California State Highways Report is produced annually by the California Department of Transportation (Caltrans) to provide high level summaries of road miles, travel, crashes and crash rates on the California State Highway System. This table lists statewide vehicle travel expressed in Million Vehicle Miles (MVM), road miles, and one and three year crash rates and fatality rates based on lane types and population codes. While crash rates for total crash and fatal + injury crashes are calculated per MVM, fatality rates are expressed per 100 MVM.
1985 Urban Water Management Plans (UWMPs)
1985 Urban Water Management Plans (UWMPs)