Facts
- Population
- 42,132 (2024)
- Change since 2020
- -2.6 %
- Net migration
- -172 (2023)
- Unemployment rate
- 3.8 % (2025)
- State
- Iowa
- Population base, April 2020
- 43,249 (2020)
- Births
- 436 (2023)
- Births per 1,000 residents, 2023
- 10.3
- Deaths
- 444 (2023)
- Deaths per 1,000 residents, 2023
- 10.5
- Natural change, 2023
- -8
- International migration
- 116 (2023)
- Domestic migration
- -288 (2023)
- Net migration per 1,000, 2023
- -4.1
- Postal code
- IA
- FIPS code
- 19139
Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS
Unemployment rate, annual average
| Period | Value |
|---|---|
| 2025 | 3.8 % |
| 2024 | 3.6 % |
| 2023 | 3.1 % |
| 2022 | 3.1 % |
| 2021 | 4.3 % |
| 2020 | 5.7 % |
| 2019 | 2.7 % |
| 2018 | 2.7 % |
| 2017 | 3.2 % |
| 2016 | 3.7 % |
| 2015 | 3.8 % |
| 2014 | 4.6 % |
Population estimates, 2020–2024
| Period | Value |
|---|---|
| 2024 | 42,132 |
| 2023 | 42,316 |
| 2022 | 42,501 |
| 2021 | 42,693 |
| 2020 | 43,155 |