-0.2%
Growth
2020–2023
39.54 M
Peak population
2020
38.9 M
2024 estimate
Historical data
Long-run evolution of the key indicators, so you can see the trend — not just today's snapshot.
Population
1850–202438.9 M▲ 43122%
U.S. Census (decennial), 1850–2020 + estimates.
Data table
| Growth | -0.2% | 2020–2023 |
| Peak population | 39.54 M | 2020 |
| 2024 estimate | 38.9 M |
Compared to the United States
| Indicator | California | United States |
|---|---|---|
| Annual population change2023, U.S. Census | -0.2% | +0.5% |
National ranking
Coming soon
The national ranking against every other state will appear here as more states are published.
Overview
Population growth in California has flattened after decades of expansion, with a slight decline between 2020 and 2023 from a peak of 39.5 million.