Pennington County, SD Map
Official Census boundary of Pennington County, South Dakota (FIPS 46103). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Pennington County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
113,512
Households
46,370
Median household income
$74,517
Median age
40.1 years
Median home value
$302,200
Median gross rent
$1,120/mo
Owner-occupied homes
69.3%
Bachelor's degree or higher
34.6%
Below poverty level
11.2%
Land area
2,776.8 sq mi
Population density
41 / sq mi