Data & Research - Covered California

data california 2024The 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 atCalifornia participated in the 2025 United States presidential election on November 5, 2025, alongside the other 49 states and the District of Columbia. [2] California voters chose electors