County · Iowa · United States
Chickasaw County ZIP codes
6 ZIP codes · 6 cities · FIPS 19037
Key facts
- State
- Iowa (IA)
- FIPS code
- 19037
- Population
- 11,868
- Median household income
- $73,421
- Median age
- 43.5
- Land area
- 504.3 sq mi (1,306.2 km²)
- Population density
- 24 / sq mi
- Area codes
- 563, 641
Cities and ZIP codes in Chickasaw County (6)
| City | ZIP codes |
|---|---|
| Alta Vista | 50603 |
| Fredericksburg | 50630 |
| Ionia | 50645 |
| Lawler | 52154 |
| Nashua | 50658 |
| New Hampton | 50659 |
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.