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3790 datasets

Data Brief: Avoidable Emergency Department Visits Vary Widely Across California

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: XLSX, PDF, ZIP

The data includes a broader range of geographic units of analysis than have previously been made available in HPD public reports, in addition to other...

Age and Gender of Eligible Individuals selecting Covered California Qualified Health Plan (QHP)

Published by: California Department of Health Care Services
Last updated: Saturday, April 4, 2026
File types: CSV, ZIP

This dataset includes age and gender of eligible individuals who selected and enrolled in a Covered California Qualified Health Plan (QHP), by reporti...

Number of Individuals Transitioned from Covered California Qualified Health Plans to Medi-Cal

Published by: California Department of Health Care Services
Last updated: Saturday, April 4, 2026
File types: CSV, ZIP

This dataset includes the number of individuals transitioned from Covered California Qualified Health Plan (QHP) eligibility to Medi-Cal enrollment co...

Earthquake Zones of Required Investigation

Published by: California Department of Conservation
Last updated: Friday, May 23, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

The California Earthquake Hazards Zone Application ("EQ Zapp") is an online map that allows anyone with a computer, tablet or smartphone to...

Mental and Behavioral Health Diagnoses in Emergency Department and Inpatient Discharges by Healthy Places Index Ranking

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: ZIP, CSV, PDF

This dataset provides counts and percentages of diagnoses broken down by each patient’s Healthy Places Index percentile ranking (based on ZIP code of ...

Hospitalization Counts and Rates of Selected Adverse Hospital Events by California County

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: CSV, PDF, ZIP

(See Note below regarding 2015 data). The dataset contains hospitalization counts and rates (age 18+), statewide and by county, for 7 potentially-pre...

Emergency Department Services Trends

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: XLSX, ZIP

This dataset contains emergency department services utilization data from the Annual Utilization Report of Hospitals dataset. The summary data includ...

Office of Public School Construction (OPSC) Open Data Portal

Published by: California Department of General Services
Last updated: Monday, March 2, 2026
File types: CSV, DOCX

This dataset contains information on all projects funded under the School Facility Program. The data is provided by the Office of Public School Constr...

EOC - Map Public

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: HTML, ZIP

HCAI Emergency Operations Center Application for Earthquakes, Fires, PSPS....

Walkable Distance to Public Transit

Published by: California Department of Public Health
Last updated: Sunday, April 5, 2026
File types: PDF, XLSX, ZIP

This table contains data on the percent of population residing within ½ mile of a major transit stop for four California regions and the counties, cit...