In 2017, Lyman County, SD had a population of 3.88k people with a median age of 36 and a median household income of $47,113. Between 2016 and 2017 the population of Lyman County, SD grew from 3,855 to 3,882, a 0.7% increase and its median household income grew from $45,921 to $47,113, a 2.6% increase.
The 5 largest ethnic groups in Lyman County, SD are White (Non-Hispanic) (56.4%), American Indian & Alaska Native (Non-Hispanic) (39.6%), White (Hispanic) (1.24%), Two or More Races (Non-Hispanic) (1.24%), and American Indian & Alaska Native (Hispanic) (0.799%). N/A% of the people in Lyman County, SD speak a non-English language, and 100% are U.S. citizens.
The median property value in Lyman County, SD is $81,700, and the homeownership rate is 69.9%. Most people in Lyman County, SD commute by Drove Alone, and the average commute time is 11.1 minutes. The average car ownership in Lyman County, SD is 2 cars per household.