Pennington County SD Information


Pennington County Subdivisions

Pennington County SD Data & Demographics (As of July 1, 2016)


Total Population 111,679
Population in Households 109,104
Population in Familes 84,857
Population in Group Qrtrs 2,575
Population Density1 40
Diversity Index2 39


Total Households 45,598
Average Household Size 2.39
Family Households 28,716
Average Family Size 3


Total Housing Units 49,376 (100%)
Owner Occupied HU 29,080 (58.9%)
Renter Occupied HU 16,518 (33.5%)
Vacant Housing Units 3,778 ( 7.7%)
Median Home Value $177,655
Average Home Value $214,448


Median Household Income $49,781
Average Household Income $67,942
Per Capita Income $28,252
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.63% 1.67%
Households 1.62% 1.67%
Families 1.4% 1.53%
Median Household Income   2.53%
Per Capita Income   1.93%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2016 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 Density1 # 7 91st
Diversity Index2 # 12 83rd
Median Household Income # 21 70th
Per Capita Income # 16 77th

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