Founded in 1854, Houston County is one of 87 counties in the state of Minnesota. Historically, Houston County was formed from Fillmore County. The city of Caledonia is the county seat. With FIPS code of 55, Houston County has a population of 18,778 and area of 558.41 square miles (1,446 km2).
List of all cities in Houston County, MN alphabetically
| City/Town | Postal Code | Area Code |
| Brownsville, MN | 55919 | 507 |
| Caledonia, MN | 55921 | 507 |
| Dresbach, MN | 55947 | 507 |
| Eitzen, MN | 55931 | 507 |
| Freeburg, MN | 55921 | 507 |
| Hokah, MN | 55941 | 507 |
| Houston, MN | 55943 | 507 |
| La Crescent, MN | 55947 | 507 |
| Reno, MN | 55919 | 507 |
| Spring Grove, MN | 55974 | 507 |