Grant County Map, South Dakota

Written and Fact-checked by , Reviewed by | Last Updated On: May 11, 2026

Map of Grant County - Grant County is a county located in the U.S. state of South Dakota. Grant County Map showing cities, highways, important places and water bodies. Get Where is Grant County located in the map, major cities in Grant county, population, areas, and places of interest.

Map of Grant County, South Dakota

Map of Grant County, South Dakota

About Grant County Map, South Dakota: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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About Grant County, South Dakota

Grant County is a county located in the U.S. state of South Dakota. It's county seat is Milbank. As per 2020 census, the population of Grant County is 7519 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 682 sq mi (1,766 km2). Grant County was established on 1873.

Grant County Facts

ContinentNorth America
CountryUnited States
StateSouth Dakota
County SeatMilbank
Largest City/TownMilbank
Established1873
Total Area682 sq mi (1,766 sq km)
Land Area681 sq mi (1,764 sq km)
Water Area1 sq mi (2 sq km)
Population7,556 (Census 2020)
Population Density11.1 people per sq mi
Time ZoneCentral Time Zone (CT)
Major HighwaysUS 12, SD 15, SD 25
Major RiversWhetstone River, Minnesota River nearby
Neighboring CountiesRoberts County, Day County, Codington County, Deuel County, Big Stone County (MN), Lac qui Parle County (MN)
Famous ForMilbank, agriculture, lakes and outdoor recreation, historic attractions
Top AttractionsBig Stone Lake nearby, Milbank attractions, Grant County Historical Museum, hunting and fishing areas
Official WebsiteOfficial Website

About Grant County, South Dakota

Grant County is located in northeastern South Dakota in the United States and was established in 1873. The county seat and largest city is Milbank. The county is known for agriculture, prairie lakes, outdoor recreation, and historic communities near the Minnesota border.

Cities and Towns in Grant County, South Dakota

City/TownPopulation (Census 2020)Latitude & Longitude
Milbank (county seat)3,54445.2191°N, 96.6359°W
Big Stone City46745.2980°N, 96.4631°W
Revillo9945.0172°N, 96.5737°W
Stockholm6644.9864°N, 96.8298°W
Twin Brooks6945.2100°N, 96.7950°W
Marvin3145.2764°N, 96.7812°W

Golf Courses in Grant County, South Dakota

Golf CourseLocationLatitude & Longitude
Prairie Winds Golf ClubMilbank45.2185°N, 96.6334°W
Big Stone Golf Club nearbyOrtonville, Minnesota45.3072°N, 96.4447°W
Watertown Country Club nearbyWatertown44.8875°N, 97.1156°W
Webster Golf Club nearbyWebster45.3352°N, 97.5265°W

Roads and Highways in Grant County, South Dakota

Major highways connect the county to northeastern South Dakota, Minnesota, and regional recreation areas.

  • US Highway 12 - major east-west route across northern South Dakota
  • South Dakota Highway 15 - north-south highway linking rural communities
  • South Dakota Highway 25 - regional roadway serving agricultural and recreation areas

What are Neighboring Counties of Grant County

  • Roberts County (north)
  • Day County (west)
  • Codington County (southwest)
  • Deuel County (south)
  • Big Stone County, Minnesota (east)
  • Lac qui Parle County, Minnesota (southeast)

What are the Top Attractions in Grant County, South Dakota

The county offers a mix of lake recreation, history, and prairie outdoor activities.

  • Big Stone Lake nearby - boating, fishing, camping, and water recreation destination
  • Milbank attractions - local shopping, dining, parks, and seasonal events
  • Grant County Historical Museum - exhibits on local history and pioneer heritage
  • Hunting and fishing areas - pheasant hunting and walleye fishing opportunities
  • Prairie Winds Golf Club - scenic golf and recreation facility
  • Big Stone Lake State Park nearby - hiking, camping, and wildlife viewing
  • Birdwatching and wetland habitats - migratory bird viewing destinations
  • Historic downtown Milbank - charming architecture and local businesses
  • Camping and RV parks near recreation areas - family outdoor activities
  • Prairie scenic drives - rolling farmland and Great Plains landscapes
  • Fishing lakes and reservoirs - outdoor recreation throughout the county
  • Regional fairs and community festivals - celebrating local culture and agriculture
  • Winter recreation and snowmobiling - seasonal outdoor activities
  • Photography and sunset viewing across prairie landscapes - scenic rural experiences

What is the Distance from Grant County to Nearby Cities

The following distances are measured by road (driving).

  • Milbank to Watertown (Codington County), South Dakota - 49 mi (79 km)
  • Milbank to Brookings (Brookings County), South Dakota - 77 mi (124 km)
  • Milbank to Aberdeen (Brown County), South Dakota - 106 mi (171 km)
  • Milbank to Fargo (Cass County), North Dakota - 148 mi (238 km)
  • Milbank to Sioux Falls (Minnehaha County), South Dakota - 128 mi (206 km)
  • Milbank to Minneapolis (Hennepin County), Minnesota - 178 mi (286 km)
  • Milbank to Pierre (Hughes County), South Dakota - 225 mi (362 km)
  • Milbank to Omaha (Douglas County), Nebraska - 281 mi (452 km)
  • Milbank to Bismarck (Burleigh County), North Dakota - 311 mi (500 km)
  • Milbank to Rapid City (Pennington County), South Dakota - 430 mi (692 km)
  • Milbank to Kansas City (Jackson County), Missouri - 512 mi (824 km)
  • Milbank to Denver (Denver County), Colorado - 681 mi (1,096 km)

FAQs about Grant County

Where is Grant County located?

Grant County is located in northeastern South Dakota near the Minnesota border.

What is the population of Grant County?

Grant County had a population of 7,556 according to the 2020 United States Census.

What is Grant County known for?

Grant County is known for Milbank, agriculture, lake recreation, hunting, and outdoor tourism.

What are the major highways in Grant County?

The major highways include US Highway 12, South Dakota Highway 15, and South Dakota Highway 25.

Are there golf courses in Grant County?

Yes, Grant County has golf facilities including Prairie Winds Golf Club and nearby regional golf courses.

References

  1. QuickFacts - U.S. Census Bureau
  2. United States Census Bureau
  3. United States Geological Survey (USGS)
  4. National Geodetic Survey
  5. Official Website