Cities and Towns in Grant County, South Dakota
Founded in 1873, Grant County is one of 66 counties in the state of South Dakota. Historically, Grant County was formed from Codington and Deuel Counties. The city of Milbank is the county seat. With FIPS code of 51, Grant County has a population of 7,519 and area of 682 square miles (1,766 km²).
List of all cities in Grant County, SD alphabetically
| City/Town | Postal Code | Area Code |
| Albee, SD | 57259 | 605 |
| Big Stone City, SD | 57216 | 605 |
| Labolt, SD | 57246 | 605 |
| Marvin, SD | 57251 | 605 |
| Milbank, SD | 57252 | 605 |
| 57253 | 605 | |
| Revillo, SD | 57259 | 605 |
| State Auto Insurance, SD | 57253 | 605 |
| Stockholm, SD | 57264 | 605 |
| Strandburg, SD | 57265 | 605 |
| Troy, SD | 57265 | 605 |
| Twin Brooks, SD | 57269 | 605 |
Major Cities and Towns in Grant County, South Dakota
Milbank
Area, Population, and Zip Codes
- Area: Approximately 2.8 square miles
- Population: Around 3,300 (2023 estimate)
- Zip Code: 57252
- Latitude: 45.2222° N
- Longitude: 96.6339° W
Location and History
Milbank, the county seat of Grant County, is located in northeastern South Dakota along the Minnesota border. Established in 1880, the town was named after Jeremiah Milbank, a railroad financier. The arrival of the Chicago, Milwaukee, and St. Paul Railroad spurred its growth, making it a key transportation and agricultural hub. Milbank is also credited as the birthplace of American Legion Baseball, which originated in the town in 1925.
Major Schools and Landmarks
Milbank School District serves the community with comprehensive educational programs and strong extracurricular opportunities. Key landmarks include Lake Farley Park, a recreational area that hosts concerts and community events, and the Grant County Courthouse, a historic building symbolizing Milbank’s importance in regional governance. The nearby Big Stone Lake provides fishing, boating, and camping opportunities, making Milbank a blend of historical charm and outdoor adventure.
Big Stone City
Area, Population, and Zip Codes
- Area: Approximately 0.7 square miles
- Population: Around 450 (2023 estimate)
- Zip Code: 57216
- Latitude: 45.2944° N
- Longitude: 96.4625° W
Location and History
Big Stone City, located on the shores of Big Stone Lake in eastern Grant County, was founded in the late 19th century. The town was named for the massive granite boulders in the area, which were a natural landmark for early settlers. Big Stone City developed as a center for granite quarrying, agriculture, and trade due to its proximity to the lake and border with Minnesota.
Major Schools and Landmarks
Big Stone City School provides education for younger students, with older students attending schools in Milbank or nearby communities. Landmarks include Big Stone Lake, a natural treasure offering boating, fishing, and birdwatching, and Hartford Beach State Park, which features scenic trails and picnic areas. The city also hosts an annual summer festival that celebrates its heritage and community spirit.
Revillo
Area, Population, and Zip Codes
- Area: Approximately 0.3 square miles
- Population: Around 120 (2023 estimate)
- Zip Code: 57259
- Latitude: 45.0161° N
- Longitude: 96.5664° W
Location and History
Revillo, a small town in southern Grant County, was established in the early 20th century. Its name is believed to be derived from “Oliver” spelled backward, honoring a local pioneer. The town grew as a farming community, supporting the surrounding agricultural areas with essential services and fostering a close-knit population.
Major Schools and Landmarks
Students in Revillo attend schools in nearby Milbank. Landmarks include the Revillo Community Hall, which hosts local events and gatherings, and the surrounding farmland, which reflects the town’s deep agricultural roots. The nearby prairies and wetlands provide opportunities for hunting, fishing, and outdoor recreation, making Revillo a peaceful and picturesque rural town.
