Iowa County, Iowa ZIP Codes
- ZIP records
12 - Cities represented
12 - Sum of listed ZIP population estimates
15,981
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 52361 | Williamsburg | 4,582 |
| 2 | 52301 | Marengo | 4,028 |
| 3 | 52203 | Amana | 2,231 |
| 4 | 52316 | North English | 1,597 |
| 5 | 52347 | Victor | 1,386 |
| 6 | 52236 | Homestead | 564 |
| 7 | 52251 | Ladora | 544 |
| 8 | 52325 | Parnell | 477 |
| 9 | 52220 | Conroy | 199 |
| 10 | 52334 | South Amana | 181 |
Cities in Iowa County
- Amana
- Conroy
- Homestead
- Ladora
- Marengo
- Middle Amana
- Millersburg
- North English
- Parnell
- South Amana
- Victor
- Williamsburg
ZIP Directory
- ZIP 52203
- ZIP 52220
- ZIP 52236
- ZIP 52251
- ZIP 52301
- ZIP 52307
- ZIP 52308
- ZIP 52316
- ZIP 52325
- ZIP 52334
- ZIP 52347
- ZIP 52361
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.