Founded in 1855, Renville County is one of 87 counties in the state of Minnesota. Historically, Renville County was formed from Nicollet County, Pierce County, and Sibley County. The city of Olivia is the county seat. With FIPS code of 129, Renville County has a population of 14,608 and area of 982.92 square miles (2,546 km2).
List of all cities in Renville County, MN alphabetically
| City/Town | Postal Code | Area Code |
| Bird Island, MN | 55310 | 320 |
| Buffalo Lake, MN | 55314 | 320 |
| Danube, MN | 56230 | 320 |
| Fairfax, MN | 55332 | 507 |
| Franklin, MN | 55333 | 507 |
| Hector, MN | 55342 | 320 |
| Morton, MN | 56270 | 507 |
| Olivia, MN | 56277 | 320 |
| Renville, MN | 56284 | 320 |
| Sacred Heart, MN | 56285 | 320 |