California Population 2024 Graph 2024. The current population of san diego, california is 1,388,996 based on our projections of the latest us census estimates (released may 2024). The golden state’s population was 39,538,223 in 2020, a 6.1% increase since 2010 but slower than its 10% gain in the previous decade.
The last official us census in. California’s population increased in 2023 for the first time in three years.