Facts
- Population
- 18,231 (2024)
- Change since 2020
- -1.4 %
- Net migration
- 27 (2023)
- Unemployment rate
- 3.3 % (2025)
- State
- Iowa
- Population base, April 2020
- 18,487 (2020)
- Births
- 150 (2023)
- Births per 1,000 residents, 2023
- 8.2
- Deaths
- 236 (2023)
- Deaths per 1,000 residents, 2023
- 12.9
- Natural change, 2023
- -86
- International migration
- 25 (2023)
- Domestic migration
- 2 (2023)
- Net migration per 1,000, 2023
- 1.5
- Postal code
- IA
- FIPS code
- 19031
Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS
Unemployment rate, annual average
| Period | Value |
|---|---|
| 2025 | 3.3 % |
| 2024 | 3.1 % |
| 2023 | 3.1 % |
| 2022 | 2.9 % |
| 2021 | 3.6 % |
| 2020 | 4.5 % |
| 2019 | 2.5 % |
| 2018 | 2.6 % |
| 2017 | 3.1 % |
| 2016 | 3.5 % |
| 2015 | 3.4 % |
| 2014 | 3.9 % |
Population estimates, 2020–2024
| Period | Value |
|---|---|
| 2024 | 18,231 |
| 2023 | 18,269 |
| 2022 | 18,331 |
| 2021 | 18,429 |
| 2020 | 18,483 |