Clay County is one of South Dakota’s oldest and most historically rich counties. Formed in 1862 and named after U.S. statesman Henry Clay, it’s nestled in the southeastern corner of the state along the Missouri River. The county seat, Vermillion, is home to the University of South Dakota, giving the area a vibrant, youthful energy. Vermillion features historic downtown streets lined with shops, coffeehouses, and parks. Other towns include Wakonda and Irene. The mix of university life and rural backdrop creates a balance between small-city amenities and countryside charm. Clay County’s terrain is fertile river valley and low-lying prairie, making agriculture the historical backbone, but education and healthcare now drive much of the local economy. Housing here varies widely: in Vermillion, you’ll find craftsman-style bungalows, classic 1920s homes, and new subdivisions with townhomes or condos. Median home prices hover around $270 K–$310 K, while upscale new builds can exceed $400 K. In rural Clay County, farmhouse-style homes or acreages cost between $180 K–$250 K, and custom builds often run $250 K–$400 K depending on finishes. The area is mostly urban-rural mixed, with Vermillion providing a true small-city atmosphere and surrounding areas purely rural. The county is about 60 miles southwest of Sioux Falls, making it convenient for commuting or weekend trips. Clay County combines culture, education, and affordability—ideal for families, retirees, or professionals seeking a university-town lifestyle amid South Dakota’s natural beauty.