Founded on Feb 20, 1847, Winneshiek County is one of 99 counties in the state of Iowa. Historically, Winneshiek County was formed from Native American lands. The city of Decorah is the county seat. With FIPS code of 191, Winneshiek County has a population of 19,892 and area of 690 square miles (1,787 km2).
List of all cities in Winneshiek County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Bluffton, IA | 52101 | 563 |
| Burr Oak, IA | 52101 | 563 |
| Calmar, IA | 52132 | 563 |
| Castalia, IA | 52133 | 563 |
| Conover, IA | 52132 | 563 |
| Decorah, IA | 52101 | 563 |
| Festina, IA | 52144 | 563 |
| Fort Atkinson, IA | 52144 | 563 |
| Freeport, IA | 52101 | 563 |
| Hesper, IA | 52101 | 563 |
| Highlandville, IA | 52149 | 563 |
| Locust, IA | 52101 | 563 |
| Nordness, IA | 52101 | 563 |
| Ossian, IA | 52161 | 563 |
| Quandahl, IA | 52101 | 563 |
| Ridgeway, IA | 52165 | 563 |
| Sattre, IA | 52101 | 563 |
| Spillville, IA | 52168 | 563 |