data california 2024California 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 electorsSACRAMENTO--- California’s population grew by 108,000 persons in calendar year 2025 to reach 39,529,000 people as of January 1st, 2025, according to new data reported by