County · Iowa · United States
Grundy County ZIP codes
9 ZIP codes · 9 cities · FIPS 19075
Key facts
- State
- Iowa (IA)
- FIPS code
- 19075
- Population
- 12,352
- Median household income
- $83,617
- Median age
- 41.5
- Land area
- 501.9 sq mi (1,299.8 km²)
- Population density
- 25 / sq mi
- Area codes
- 319, 641
Cities and ZIP codes in Grundy County (9)
| City | ZIP codes |
|---|---|
| Beaman | 50609 |
| Conrad | 50621 |
| Dike | 50624 |
| Grundy Center | 50638 |
| Holland | 50642 |
| Morrison | 50657 |
| Reinbeck | 50669 |
| Stout | 50673 |
| Wellsburg | 50680 |
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.