County · Iowa · United States
Delaware County ZIP codes
10 ZIP codes · 10 cities · FIPS 19055
Key facts
- State
- Iowa (IA)
- FIPS code
- 19055
- Population
- 17,549
- Median household income
- $76,205
- Median age
- 44
- Land area
- 577.7 sq mi (1,496.2 km²)
- Population density
- 30 / sq mi
- Area codes
- 563, 712
Cities and ZIP codes in Delaware County (10)
| City | ZIP codes |
|---|---|
| Colesburg | 52035 |
| Delaware | 52036 |
| Delhi | 52223 |
| Dundee | 52038 |
| Earlville | 52041 |
| Greeley | 52050 |
| Hopkinton | 52237 |
| Manchester | 52057 |
| Masonville | 50654 |
| Ryan | 52330 |
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.