County · Iowa · United States
Winneshiek County ZIP codes
7 ZIP codes · 7 cities · FIPS 19191
Key facts
- State
- Iowa (IA)
- FIPS code
- 19191
- Population
- 19,972
- Median household income
- $75,652
- Median age
- 42.2
- Land area
- 689.8 sq mi (1,786.7 km²)
- Population density
- 29 / sq mi
- Area codes
- 563
Cities and ZIP codes in Winneshiek County (7)
| City | ZIP codes |
|---|---|
| Calmar | 52132 |
| Castalia | 52133 |
| Decorah | 52101 |
| Fort Atkinson | 52144 |
| Ossian | 52161 |
| Ridgeway | 52165 |
| Spillville | 52168 |
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.