Lyman County, county in South Dakota, United States. As of 2020 county had an estimated population of 3,797 inhabitants. The county was created 151 years ago in 1873. Its county seat is Kennebec.
There are 0 city/town in Lyman County, SD.
List of cities, towns, neighborhoods & other populated places in Lyman County.
City Name | Title | Population |
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