Iowa
- FIPS code
- 19
- Abbreviation
- IA
- Jurisdiction type
- state
Population
- Population (2025)
- 3,238,387
- Annual change
- 7,933 (+0.2%)
Source: U.S. Census Bureau — Population Estimates Program — National/State Population Totals, Vintage 2025
Population History
Population changed from 3,191,081 in 2020 to 3,238,387 in 2025.
| Year | Population | Change | Percent change | Source vintage |
|---|---|---|---|---|
| 2020 | 3,191,081 | — | — | Vintage 2025 |
| 2021 | 3,199,037 | +7,956 | +0.2% | Vintage 2025 |
| 2022 | 3,201,890 | +2,853 | +0.1% | Vintage 2025 |
| 2023 | 3,214,739 | +12,849 | +0.4% | Vintage 2025 |
| 2024 | 3,230,454 | +15,715 | +0.5% | Vintage 2025 |
| 2025 | 3,238,387 | +7,933 | +0.2% | Vintage 2025 |
Historical values may come from different release vintages: a later release can revise an earlier year's estimate, so consecutive rows are not guaranteed to share the same source vintage.