In 2017, Pennington County, SD had a population of 108k people with a median age of 37.8 and a median household income of $52,245. Between 2016 and 2017 the population of Pennington County, SD grew from 107,298 to 108,126, a 0.772% increase and its median household income grew from $51,084 to $52,245, a 2.27% increase.
The 5 largest ethnic groups in Pennington County, SD are White (Non-Hispanic) (80.5%), American Indian & Alaska Native (Non-Hispanic) (8%), Two or More Races (Non-Hispanic) (4.29%), White (Hispanic) (2.49%), and Asian (Non-Hispanic) (1.12%). N/A% of the people in Pennington County, SD speak a non-English language, and 98.7% are U.S. citizens.
The largest universities in Pennington County, SD are South Dakota School of Mines and Technology (463 degrees awarded in 2017), National American University-Rapid City (337 degrees), and Western Dakota Technical Institute (305 degrees).
The median property value in Pennington County, SD is $172,400, and the homeownership rate is 67.7%. Most people in Pennington County, SD commute by Drove Alone, and the average commute time is 16.6 minutes. The average car ownership in Pennington County, SD is 2 cars per household.