Pennington County, SD has a population of 107,298 people with a median age of 37.5 and a median household income of $51,084. Between 2015 and 2016 the population of Pennington County, SD grew from 106,085 to 107,298, a 1.14% increase and its median household income grew from $50,890 to $51,084, a 0.38% increase.
The population of Pennington County, SD is 80.6% White, 7.8% Native, and 4.79% Hispanic. 4.03% of the people in Pennington County, SD speak a non-English language, and 98.9% are U.S. citizens.
The largest universities in Pennington County, SD are South Dakota School of Mines and Technology, with 423 graduates, Western Dakota Technical Institute, with 310 graduates, and National American University-Rapid City, with 186 graduates.
The median property value in Pennington County, SD is $166,900, and the homeownership rate is 67.4%. 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.
Pennington County, SD is the 2nd most populated county in South Dakota and borders Custer County, SD; Haakon County, SD; Jackson County, SD; Lawrence County, SD; Meade County, SD; Shannon County, SD; Weston County, WY& 2 more.