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 .