Grant County SD Information


Grant County Subdivisions

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


Total Population 7,263
Population in Households 7,159
Population in Familes 5,908
Population in Group Qrtrs 104
Population Density1 11
Diversity Index2 17


Median Household Income $53,306
Average Household Income $67,577
Per Capita Income $28,672


Total Housing Units 3,526 (100%)
Owner Occupied HU 2,512 (71.2%)
Renter Occupied HU 550 (15.6%)
Vacant Housing Units 464 (13.2%)
Median Home Value $125,507
Average Home Value $149,592


Total Households 3,062
Average Household Size 2.34
Family Households 2,026
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 -0.15% -0.23%
Households -0.11% -0.2%
Families -0.3% -0.31%
Median Household Income   1.37%
Per Capita Income   2.23%


Grant County SD - Peer Comparisons by Rank and Percentile

The table below compares Grant 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 # 24 65th
Population Density # 19 73rd
Diversity Index # 41 39th
Median Household Income # 17 76th
Per Capita Income # 36 47th

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