Founded on Feb 17, 1843, Iowa County is one of 99 counties in the state of Iowa. Historically, Iowa County was formed from Washington County. The city of Marengo is the county seat. With FIPS code of 95, Iowa County has a population of 16,568 and area of 586 square miles (1,518 km2).
List of all cities in Iowa County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Amana, IA | 52203 | 319 |
| 52204 | 319 | |
| Amana Refrigeration Inc, IA | 52204 | 319 |
| Carnforth, IA | 52347 | 319 |
| Conroy, IA | 52220 | 319 |
| East Amana, IA | 52203 | 319 |
| Genoa Bluff, IA | 52301 | 319 |
| High, IA | 52203 | 319 |
| High Amana, IA | 52203 | 319 |
| Holbrook, IA | 52325 | 319 |
| Homestead, IA | 52236 | 319 |
| Ladora, IA | 52251 | 319 |
| Marengo, IA | 52301 | 319 |
| Middle, IA | 52307 | 319 |
| Middle Amana, IA | 52307 | 319 |
| Millersburg, IA | 52308 | 319 |
| North English, IA | 52316 | 319 |
| Parnell, IA | 52325 | 319 |
| South Amana, IA | 52334 | 319 |
| Victor, IA | 52347 | 319 |
| West Amana, IA | 52203 | 319 |
| White Pigeon, IA | 52316 | 319 |
| Williamsburg, IA | 52361 | 319 |