California Cities By Population 2025 Map. This report provides the revised population and housing estimates for january 1, 2021, january 1, 2023 and provisional population and housing estimates for january 1, 2025, for the state, counties, and cities. List of the largest cities in the state of california, ranked by population, using the the latest 2025 census population data.

Cities in orange county, california by population (2025) there are 58 cities in orange county, california. These estimates incorporate 2020 census counts.