Hamlin County Map, South Dakota

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

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

Map of Hamlin County, South Dakota

Map of Hamlin County, South Dakota

About Hamlin 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 Hamlin County, South Dakota

Hamlin County is a county located in the U.S. state of South Dakota. It's county seat is Hayti. As per 2020 census, the population of Hamlin County is 6255 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 511 sq mi (1,323 km2). Hamlin County was established on 1873.

Hamlin County Facts

ContinentNorth America
CountryUnited States
StateSouth Dakota
County SeatHayti
Largest City/TownHayti
Established1871
Total Area540 sq mi (1,399 sq km)
Land Area507 sq mi (1,313 sq km)
Water Area33 sq mi (85 sq km)
Population6,164 (Census 2020)
Population Density12.2 people per sq mi
Time ZoneCentral Time Zone (CT)
Major HighwaysUS 81, SD 28, SD 22
Major RiversBig Sioux River nearby
Neighboring CountiesCodington County, Deuel County, Brookings County, Kingsbury County, Clark County
Famous ForLake Poinsett, agriculture, fishing, outdoor recreation
Top AttractionsLake Poinsett Recreation Area, Lake Norden attractions, fishing and camping destinations, golf courses
Official WebsiteOfficial Website

About Hamlin County, South Dakota

Hamlin County is located in eastern South Dakota in the United States and was established in 1871. The county seat and largest city is Hayti. The county is known for scenic lakes, outdoor recreation, agriculture, fishing, and family-friendly tourism destinations.

Cities and Towns in Hamlin County, South Dakota

City/TownPopulation (Census 2020)Latitude & Longitude
Hayti (county seat)38144.6522°N, 97.2084°W
Lake Norden46744.5844°N, 97.2134°W
Bryant38844.5930°N, 97.4631°W
Castlewood69844.7222°N, 97.0326°W
Estelline76844.5736°N, 96.9242°W
Hazel10244.7600°N, 96.9853°W

Golf Courses in Hamlin County, South Dakota

Golf CourseLocationLatitude & Longitude
Lake Region Golf ClubLake Norden44.5859°N, 97.2207°W
Watertown Country Club nearbyWatertown44.8875°N, 97.1156°W
Brookings Country Club nearbyBrookings44.3006°N, 96.7889°W
Prairie Winds Golf Club nearbyMilbank45.2185°N, 96.6334°W

Roads and Highways in Hamlin County, South Dakota

Major highways connect the county to eastern South Dakota communities, lakes, and recreational areas.

  • US Highway 81 - major north-south highway through eastern South Dakota
  • South Dakota Highway 28 - east-west route linking local communities
  • South Dakota Highway 22 - regional roadway serving recreation and agricultural areas

What are Neighboring Counties of Hamlin County

  • Codington County (north)
  • Deuel County (east)
  • Brookings County (south)
  • Kingsbury County (southwest)
  • Clark County (west)

What are the Top Attractions in Hamlin County, South Dakota

The county offers a mix of lake recreation, fishing opportunities, and scenic prairie attractions.

  • Lake Poinsett Recreation Area - boating, fishing, camping, and swimming destination
  • Lake Norden attractions - local parks, restaurants, and recreation facilities
  • Fishing and camping destinations - popular walleye and perch fishing areas
  • Lake Region Golf Club - scenic golf and recreation facility
  • Prairie scenic drives - rolling farmland and lake landscapes
  • Birdwatching and wetland habitats - migratory bird viewing opportunities
  • Camping and RV parks around area lakes - outdoor family recreation
  • Castlewood and Estelline community attractions - local events and historic downtown areas
  • Hunting areas - pheasant and waterfowl hunting destinations
  • Regional fairs and festivals - celebrating local culture and agriculture
  • Fishing lakes and reservoirs throughout the county - water recreation opportunities
  • Winter snowmobiling and ice fishing - seasonal outdoor activities
  • Photography and sunset viewing across lake landscapes - scenic outdoor experiences
  • Historic rural communities - reflecting eastern South Dakota heritage

What is the Distance from Hamlin County to Nearby Cities

The following distances are measured by road (driving).

  • Hayti to Watertown (Codington County), South Dakota - 23 mi (37 km)
  • Hayti to Brookings (Brookings County), South Dakota - 41 mi (66 km)
  • Hayti to Aberdeen (Brown County), South Dakota - 110 mi (177 km)
  • Hayti to Sioux Falls (Minnehaha County), South Dakota - 92 mi (148 km)
  • Hayti to Fargo (Cass County), North Dakota - 188 mi (303 km)
  • Hayti to Minneapolis (Hennepin County), Minnesota - 196 mi (315 km)
  • Hayti to Pierre (Hughes County), South Dakota - 209 mi (336 km)
  • Hayti to Omaha (Douglas County), Nebraska - 248 mi (399 km)
  • Hayti to Bismarck (Burleigh County), North Dakota - 347 mi (558 km)
  • Hayti to Rapid City (Pennington County), South Dakota - 415 mi (668 km)
  • Hayti to Kansas City (Jackson County), Missouri - 478 mi (769 km)
  • Hayti to Denver (Denver County), Colorado - 657 mi (1,057 km)

FAQs about Hamlin County

Where is Hamlin County located?

Hamlin County is located in eastern South Dakota in the glacial lakes region.

What is the population of Hamlin County?

Hamlin County had a population of 6,164 according to the 2020 United States Census.

What is Hamlin County known for?

Hamlin County is known for Lake Poinsett, fishing, camping, agriculture, and outdoor recreation.

What are the major highways in Hamlin County?

The major highways include US Highway 81, South Dakota Highway 28, and South Dakota Highway 22.

Are there golf courses in Hamlin County?

Yes, Hamlin County has golf facilities including Lake Region 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