- 1South Dakota State FairHuron, South DakotaEst. 1885September
The South Dakota State Fair in Huron is a six-day Labor Day weekend celebration in the Pheasant Capital of the World, drawing visitors from across the state for livestock competition, grandstand entertainment, and state fair tradition. First held in 1885, it has been a South Dakota agricultural tradition for over a century.
- 2Brown County FairAberdeen, South DakotaEst. 1921August
The Brown County Fair in Aberdeen is a seven-day mid-August celebration in the Hub City of the James River valley, drawing families from northeastern South Dakota for one of the state's largest county fairs. First held in 1921, it has been a South Dakota agricultural tradition for over a century.
- 3Sioux Empire FairSioux Falls, South DakotaEst. 1936July
The Sioux Empire Fair in Sioux Falls is a nine-day late-July celebration in South Dakota's largest city, drawing hundreds of thousands of visitors from the Big Sioux River valley for livestock competition and major entertainment. Established in 1936, the fair has brought South Dakota communities together for generations.
- 4Central States FairRapid City, South DakotaEst. 1945August
The Central States Fair in Rapid City is a nine-day late-August celebration in the gateway to the Black Hills, drawing large crowds from across the northern Great Plains for a major regional fair. Established in 1945, the fair has brought South Dakota communities together for generations.