In 2017, Grant County, SD had a population of 7.13k people with a median age of 43.7 and a median household income of $56,276. Between 2016 and 2017 the population of Grant County, SD declined from 7,195 to 7,133, a -0.862% decrease and its median household income grew from $54,180 to $56,276, a 3.87% increase.
The 5 largest ethnic groups in Grant County, SD are White (Non-Hispanic) (93.9%), American Indian & Alaska Native (Non-Hispanic) (3.43%), White (Hispanic) (1.61%), Two or More Races (Non-Hispanic) (0.729%), and Some Other Race (Hispanic) (0.21%). N/A% of the people in Grant County, SD speak a non-English language, and 97.6% are U.S. citizens.
The median property value in Grant County, SD is $115,800, and the homeownership rate is 83.7%. Most people in Grant County, SD commute by Drove Alone, and the average commute time is 11.7 minutes. The average car ownership in Grant County, SD is 2 cars per household.