Pennington County SD Information


Pennington County Subdivisions

Pennington County SD Data & Demographics (As of July 1, 2017)


Total Population 112,158
Daytime Population: Workers 64,082
Daytime Population: Residents 52,348
Total Daytime Population (TDP) 116,430
Ratio TDP/Total Population1 1.04
Population in Households 109,583
Population in Familes 84,984
Population in Group Qrtrs 2,575
Population Density2 40
Diversity Index3 39


Median Household Income $52,186
Average Household Income $70,464
Per Capita Income $29,553


Total Housing Units 49,871 (100%)
Owner Occupied HU 29,905 (60.0%)
Renter Occupied HU 16,324 (32.7%)
Vacant Housing Units 3,642 ( 7.3%)
Median Home Value $176,829
Average Home Value $211,504


Total Households 46,229
Average Household Size 2.37
Family Households 29,196
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 1.46% 1.44%
Households 1.58% 1.52%
Families 1.44% 1.43%
Median Household Income   2.98%
Per Capita Income   3.04%


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, 2017 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 # 12 83rd
Median Household Income # 19 73rd
Per Capita Income # 17 76th

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