In 2018, Stanley County, SD had a population of 3k people with a median age of 41.2 and a median household income of $71,763. Between 2017 and 2018 the population of Stanley County, SD grew from 2,994 to 2,997, a 0.1% increase and its median household income grew from $63,233 to $71,763, a 13.5% increase.
The 5 largest ethnic groups in Stanley County, SD are White (Non-Hispanic) (84.3%), American Indian & Alaska Native (Non-Hispanic) (9.68%), Two+ (Non-Hispanic) (2.44%), White (Hispanic) (1.97%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (1.17%). NaNk% 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 $165,800, and the homeownership rate is 80.9%. Most people in Stanley County, SD commute by Drove Alone, and the average commute time is 14.4 minutes. The average car ownership in Stanley County, SD is 2 cars per household.
Stanley County, SD borders Dewey County, SD, Haakon County, SD, Hughes County, SD, Jones County, SD, Lyman County, SD, Sully County, SD, and Ziebach County, SD.