Pennington County SD Information


Pennington County Subdivisions

Pennington County SD Data & Demographics (As of July 1, 2018)


Total Population 112,929
Population in Households 110,354
Population in Familes 86,047
Population in Group Qrtrs 2,575
Population Density1 41
Diversity Index2 39


Median Household Income $52,959
Average Household Income $72,524
Per Capita Income $29,962


Total Housing Units 49,826 (100%)
Owner Occupied HU 30,380 (61.0%)
Renter Occupied HU 15,488 (31.1%)
Vacant Housing Units 3,958 ( 7.9%)
Median Home Value $181,810
Average Home Value $224,523


Total Households 45,868
Average Household Size 2.41
Family Households 28,780
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.37% 1.27%
Households 1.29% 1.23%
Families 1.09% 1.09%
Median Household Income   1.92%
Per Capita Income   2.08%


Pennington County SD - Peer Comparisons by Rank and Percentile

The table below compares Pennington County to the other 66 counties and county equivalents in South Dakota by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 2 98th
Population Density # 7 91st
Diversity Index # 13 82nd
Median Household Income # 20 71st
Per Capita Income # 24 65th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.