In 2022, Lyman County, SD had a population of 3.72k people with a median age of 36 and a median household income of $60,284. Between 2021 and 2022 the population of Lyman County, SD declined from 3,746 to 3,719, a −0.721% decrease and its median household income grew from $55,977 to $60,284, a 7.69% increase.
The 5 largest ethnic groups in Lyman County, SD are White (Non-Hispanic) (53.6%), American Indian & Alaska Native (Non-Hispanic) (44.1%), Two+ (Non-Hispanic) (0.834%), Other (Hispanic) (0.699%), and White (Hispanic) (0.269%).
None of the households in Lyman County, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.1% of the residents in Lyman County, SD are U.S. citizens.
In 2022, the median property value in Lyman County, SD was $132,100, and the homeownership rate was 66.9%.
Most people in Lyman County, SD drove alone to work, and the average commute time was 14.4 minutes. The average car ownership in Lyman County, SD was 2 cars per household.
Lyman County, SD borders Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Gregory County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Mellette County, SD, Stanley County, SD, and Tripp County, SD.