Delaware County, Iowa
9 ZIP codes · 577.68 sq mi of land · FIPS 19055
| Population | 17,558 |
|---|---|
| State | Iowa |
| FIPS code | 19055 |
| Time zone | Central |
| Land area | 577.68 sq mi |
| Center (lat, long) | 42.4730, -91.3668 |
Area codes in this area
These are the area codes that most often serve Delaware County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
DelawareDundeeDyersvilleEarlvilleGreeleyManchesterDelhiHopkintonRyan
ZIP codes in Delaware County
52036 Delaware52038 Dundee52040 Dyersville52041 Earlville52050 Greeley52057 Manchester52223 Delhi52237 Hopkinton52330 Ryan
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.