Clark County SD Information


Clark County Subdivisions

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


Total Population 3,795
Population in Households 3,306
Population in Familes 2,663
Population in Group Qrtrs 489
Population Density1 4
Diversity Index2 12


Median Household Income $51,473
Average Household Income $64,636
Per Capita Income $27,567


Total Housing Units 1,784 (100%)
Owner Occupied HU 1,151 (64.5%)
Renter Occupied HU 371 (20.8%)
Vacant Housing Units 262 (14.7%)
Median Home Value $86,040
Average Home Value $147,089


Total Households 1,522
Average Household Size 2.17
Family Households 961
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 0.34% 0.24%
Households 0.63% 0.64%
Families 0.41% 0.49%
Median Household Income   1.53%
Per Capita Income   2.73%


Clark County SD - Peer Comparisons by Rank and Percentile

The table below compares Clark 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 # 43 36th
Population Density # 43 36th
Diversity Index # 52 23rd
Median Household Income # 31 55th
Per Capita Income # 42 38th

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