In 2017, Stanley County, SD had a population of 2.99k people with a median age of 43.4 and a median household income of $63,233. Between 2016 and 2017 the population of Stanley County, SD grew from 2,964 to 2,994, a 1.01% increase and its median household income grew from $60,046 to $63,233, a 5.31% increase.
The 5 largest ethnic groups in Stanley County, SD are White (Non-Hispanic) (87.8%), American Indian & Alaska Native (Non-Hispanic) (8.35%), Two or More Races (Non-Hispanic) (1.87%), Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0.935%), and American Indian & Alaska Native (Hispanic) (0.802%). N/A% of the people in Stanley County, SD speak a non-English language, and 100% are U.S. citizens.
The median property value in Stanley County, SD is $158,300, and the homeownership rate is 78.8%. Most people in Stanley County, SD commute by Drove Alone, and the average commute time is 15.3 minutes. The average car ownership in Stanley County, SD is 2 cars per household.