County · Iowa · United States
Mahaska County ZIP codes
9 ZIP codes · 9 cities · FIPS 19123
Key facts
- State
- Iowa (IA)
- FIPS code
- 19123
- Population
- 22,045
- Median household income
- $69,019
- Median age
- 39.1
- Land area
- 570.9 sq mi (1,478.5 km²)
- Population density
- 39 / sq mi
- Area codes
- 641
Cities and ZIP codes in Mahaska County (9)
| City | ZIP codes |
|---|---|
| Barnes City | 50027 |
| Beacon | 52534 |
| Cedar | 52543 |
| Fremont | 52561 |
| Leighton | 50143 |
| New Sharon | 50207 |
| Oskaloosa | 52577 |
| Rose Hill | 52586 |
| University Park | 52595 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.