Founded on Jan 15, 1851, Chickasaw County is one of 99 counties in the state of Iowa. Historically, Chickasaw County was formed from Fayette County. The city of New Hampton is the county seat. With FIPS code of 37, Chickasaw County has a population of 11,887 and area of 505 square miles (1,308 km2).
List of all cities in Chickasaw County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Alta Vista, IA | 50603 | 641 |
| Bassett, IA | 50645 | 641 |
| Boyd, IA | 50659 | 641 |
| Chickasaw, IA | 50645 | 641 |
| Fredericksburg, IA | 50630 | 563 |
| Ionia, IA | 50645 | 641 |
| Jerico, IA | 50659 | 641 |
| Lawler, IA | 52154 | 563 |
| Little Turkey, IA | 52154 | 563 |
| Nashua, IA | 50658 | 641 |
| New Hampton, IA | 50659 | 641 |
| 50661 | 641 | |
| North Washington, IA | 50659 | 641 |
| 50661 | 641 | |
| Saude, IA | 52154 | 563 |