In 2018, Pennington County, SD had a population of 109k people with a median age of 38.6 and a median household income of $55,024. Between 2017 and 2018 the population of Pennington County, SD grew from 108,126 to 109,294, a 1.08% increase and its median household income grew from $52,245 to $55,024, a 5.32% increase.
The 5 largest ethnic groups in Pennington County, SD are White (Non-Hispanic) (80.2%), American Indian & Alaska Native (Non-Hispanic) (7.96%), Two+ (Non-Hispanic) (4.24%), White (Hispanic) (2.62%), and Asian (Non-Hispanic) (1.31%). NaNk% of the people in Pennington County, SD speak a non-English language, and 98.8% 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 $179,900, and the homeownership rate is 68.8%. Most people in Pennington County, SD commute by Drove Alone, and the average commute time is 16.7 minutes. The average car ownership in Pennington County, SD is 2 cars per household.