Data & research

data california 2024Provisional Data Tables: 2025-2025. Total Population by Cause; Gender by Cause; Race-Ethnicity by Cause; Age (only for all causes) Place Type (only for all causes) ... ProvisionalThe most populous counties in California are Los Angeles County with 9,663,345, San Diego County at 3,269,973, Orange County with 3,135,755, Riverside County at