Facts
- Population
- 18,454 (2024)
- Change since 2020
- -1.1 %
- Net migration
- 28 (2023)
- Unemployment rate
- 3.3 % (2025)
- State
- Iowa
- Population base, April 2020
- 18,656 (2020)
- Births
- 176 (2023)
- Births per 1,000 residents, 2023
- 9.5
- Deaths
- 224 (2023)
- Deaths per 1,000 residents, 2023
- 12.1
- Natural change, 2023
- -48
- International migration
- 65 (2023)
- Domestic migration
- -37 (2023)
- Net migration per 1,000, 2023
- 1.5
- Postal code
- IA
- FIPS code
- 19157
Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS
Unemployment rate, annual average
| Period | Value |
|---|---|
| 2025 | 3.3 % |
| 2024 | 2.8 % |
| 2023 | 3.0 % |
| 2022 | 2.9 % |
| 2021 | 4.1 % |
| 2020 | 4.8 % |
| 2019 | 2.6 % |
| 2018 | 2.4 % |
| 2017 | 3.2 % |
| 2016 | 3.5 % |
| 2015 | 3.6 % |
| 2014 | 4.3 % |
Population estimates, 2020–2024
| Period | Value |
|---|---|
| 2024 | 18,454 |
| 2023 | 18,497 |
| 2022 | 18,521 |
| 2021 | 18,623 |
| 2020 | 18,628 |