California Population 2024 Census Data. We use first day of july each year due to us census bureau normally publishes the. This page features files containing county population totals and components of change for years 2020 to 2023.

This report provides population estimates for january 1, 2021 through january 1, 2023 and provisional population estimates for january 1, 2024, for the state, counties, and cities. As the united states ’ third largest state by area and the most populated, it’s no surprise that california has a multitude of cities spread across its.