Parkston is a city in Hutchinson County, South Dakota, United States. The population was 1,567 at the 2020 census. As of 2022, Tim Semmler i…Parkston is a city in Hutchinson County, South Dakota, United States. The population was 1,567 at the 2020 census. As of 2022, Tim Semmler is the city's current mayor. The city was named for R. S. Parke, a landowner. Parkston was founded in 1886.