Facts
- Population
- 423,726 (2024)
- Change since 2020
- 4.6 %
- Net migration
- 3,289 (2023)
- Unemployment rate
- 3.4 % (2025)
- State
- Missouri
- Population base, April 2020
- 405,265 (2020)
- Births
- 4,123 (2023)
- Births per 1,000 residents, 2023
- 9.7
- Deaths
- 3,406 (2023)
- Deaths per 1,000 residents, 2023
- 8.0
- Natural change, 2023
- 717
- International migration
- 1,720 (2023)
- Domestic migration
- 1,569 (2023)
- Net migration per 1,000, 2023
- 7.8
- Postal code
- MO
- FIPS code
- 29183
Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS
Unemployment rate, annual average
| Period | Value |
|---|---|
| 2025 | 3.4 % |
| 2024 | 3.1 % |
| 2023 | 2.6 % |
| 2022 | 2.2 % |
| 2021 | 3.3 % |
| 2020 | 5.3 % |
| 2019 | 2.5 % |
| 2018 | 2.6 % |
| 2017 | 2.9 % |
| 2016 | 3.6 % |
| 2015 | 3.9 % |
| 2014 | 4.9 % |
Population estimates, 2020–2024
| Period | Value |
|---|---|
| 2024 | 423,726 |
| 2023 | 417,958 |
| 2022 | 414,055 |
| 2021 | 410,515 |
| 2020 | 406,423 |