In 2019, Pennington County, SD had a population of 111k people with a median age of 39 and a median household income of $57,039. Between 2018 and 2019 the population of Pennington County, SD grew from 109,294 to 110,685, a 1.27% increase and its median household income grew from $55,024 to $57,039, a 3.66% increase.
The 5 largest ethnic groups in Pennington County, SD are White (Non-Hispanic) (79.9%), American Indian & Alaska Native (Non-Hispanic) (8.15%), Two+ (Non-Hispanic) (3.96%), White (Hispanic) (2.95%), and Asian (Non-Hispanic) (1.28%). 0% of the households in Pennington County, SD speak a non-English language at home as their primary language.
98.7% of the residents in Pennington County, SD are U.S. citizens.
The largest universities in Pennington County, SD are National American University-Rapid City (660 degrees awarded in 2019), South Dakota School of Mines and Technology (638 degrees), and Western Dakota Technical Institute (371 degrees).
In 2019, the median property value in Pennington County, SD was $187,800, and the homeownership rate was 68.6%. Most people in Pennington County, SD drove alone to work, and the average commute time was 17.1 minutes. The average car ownership in Pennington County, SD was 2 cars per household.