Grant County SD Information


Grant County Subdivisions

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


Total Population 7,237
Daytime Population: Workers 4,200
Daytime Population: Residents 3,348
Total Daytime Population (TDP) 7,548
Ratio TDP/Total Population1 1.04
Population in Households 7,133
Population in Familes 5,861
Population in Group Qrtrs 104
Population Density2 11
Diversity Index3 14


Median Household Income $52,346
Average Household Income $65,873
Per Capita Income $27,772


Total Housing Units 3,526 (100%)
Owner Occupied HU 2,360 (66.9%)
Renter Occupied HU 671 (19.0%)
Vacant Housing Units 495 (14.0%)
Median Home Value $126,829
Average Home Value $145,879


Total Households 3,031
Average Household Size 2.35
Family Households 2,019
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 -0.22% -0.55%
Households -0.26% -0.58%
Families -0.38% -0.65%
Median Household Income   1.41%
Per Capita Income   2.96%


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, 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 # 25 64th
Population Density # 19 73rd
Diversity Index # 47 30th
Median Household Income # 18 74th
Per Capita Income # 38 44th

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