County · Iowa · United States
Cass County ZIP codes
8 ZIP codes · 8 cities · FIPS 19029
Key facts
- State
- Iowa (IA)
- FIPS code
- 19029
- Population
- 13,115
- Median household income
- $61,657
- Median age
- 44
- Land area
- 564.3 sq mi (1,461.4 km²)
- Population density
- 23 / sq mi
- Area codes
- 712
Cities and ZIP codes in Cass County (8)
| City | ZIP codes |
|---|---|
| Anita | 50020 |
| Atlantic | 50022 |
| Cumberland | 50843 |
| Griswold | 51535 |
| Lewis | 51544 |
| Marne | 51552 |
| Massena | 50853 |
| Wiota | 50274 |
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.