Cities and Towns in Clay County, South Dakota
Founded in 1862, Clay County is one of 66 counties in the state of South Dakota. Historically, Clay County was formed from unorganized territory. The city of Vermillion is the county seat. With FIPS code of 27, Clay County has a population of 15,150 and area of 412 square miles (1,067 km²).
List of all cities in Clay County, SD alphabetically
| City/Town | Postal Code | Area Code |
| Burbank, SD | 57010 | 605 |
| Greenfield, SD | 57069 | 605 |
| Hub City, SD | 57069 | 605 |
| Irene, SD | 57037 | 605 |
| Mayfield, SD | 57037 | 605 |
| Meckling, SD | 57069 | 605 |
| Vermillion, SD | 57069 | 605 |
| Wakonda, SD | 57073 | 605 |
| Westerville, SD | 57069 | 605 |
Major Cities and Towns in Clay County, South Dakota
Vermillion
Area, Population, and Zip Codes
- Area: Approximately 4.1 square miles
- Population: Around 11,700 (2023 estimate)
- Zip Code: 57069
- Latitude: 42.7794° N
- Longitude: 96.9294° W
Location and History
Vermillion, the county seat of Clay County, is situated in southeastern South Dakota along the Missouri River. Founded in 1859, Vermillion has a rich history tied to its location on the river and its early role as a fur trading post. The city’s name, derived from the red clay found in the area, reflects its natural surroundings. Over time, Vermillion became a hub for education and culture, thanks in part to the establishment of the University of South Dakota (USD), the state’s oldest university, in 1862. The city thrives on its blend of small-town charm and vibrant academic community.
Major Schools and Landmarks
Vermillion is home to the University of South Dakota, which offers a wide range of academic programs and serves as a cultural and economic anchor. Major landmarks include the National Music Museum, renowned for its extensive collection of historic instruments, and the Missouri National Recreational River, which provides opportunities for boating, fishing, and hiking. Downtown Vermillion is a bustling area with shops, restaurants, and community events, including the annual Ribs, Rods, and Rock’n Roll festival.
Wakonda
Area, Population, and Zip Codes
- Area: Approximately 0.3 square miles
- Population: Around 300 (2023 estimate)
- Zip Code: 57073
- Latitude: 43.0086° N
- Longitude: 97.1114° W
Location and History
Wakonda is a small town located in northern Clay County, South Dakota. Established in the late 19th century, the town’s name is derived from a Native American term meaning “spiritual power,” reflecting the area’s cultural heritage. Wakonda served as a vital agricultural community during its early years, with grain and livestock production being central to its economy. Despite its modest size, Wakonda has maintained its identity as a friendly and close-knit town.
Major Schools and Landmarks
Wakonda is served by the Viborg-Hurley School District, with students commuting to nearby communities for education. Notable landmarks include the Wakonda Heritage Park, which hosts community gatherings and recreational activities, and the historic Wakonda Hall, a center for social events. The town also boasts easy access to surrounding prairie landscapes, offering opportunities for hunting, birdwatching, and other outdoor pursuits.
Irene (partially in Clay County)
Area, Population, and Zip Codes
- Area: Approximately 0.5 square miles
- Population: Around 400 (2023 estimate)
- Zip Code: 57037
- Latitude: 43.0869° N
- Longitude: 97.1558° W
Location and History
Irene, which spans Clay, Turner, and Yankton counties, is located in the northern part of Clay County. Founded in the late 19th century, the town was named after a railroad official’s daughter. Irene flourished with the growth of agriculture and the arrival of the railroad, becoming a service center for the surrounding rural communities. Its multi-county location has contributed to its diverse character and connectivity.
Major Schools and Landmarks
The Irene-Wakonda School District serves the town, with schools offering a strong emphasis on academics and extracurricular programs. Landmarks in Irene include the Irene City Park, a community space with playgrounds and picnic areas, and the historic Main Street, which retains its small-town charm. Irene’s proximity to the Vermillion River makes it a scenic destination for fishing and outdoor enthusiasts.
