Buffalo County SD Information


Buffalo County Subdivisions

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


Total Population 1,976
Population in Households 1,973
Population in Familes 1,704
Population in Group Qrtrs 3
Population Density1 4
Diversity Index2 34


Median Household Income $33,421
Average Household Income $49,091
Per Capita Income $13,733


Total Housing Units 628 (100%)
Owner Occupied HU 291 (46.3%)
Renter Occupied HU 261 (41.6%)
Vacant Housing Units 76 (12.1%)
Median Home Value $78,125
Average Home Value $141,237


Total Households 552
Average Household Size 3.57
Family Households 418
Average Family Size 4
  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 0.4% -0.07%
Households 0.45% -0.04%
Families 0.32% -0.14%
Median Household Income   0.87%
Per Capita Income   1.61%


Buffalo County SD - Peer Comparisons by Rank and Percentile

The table below compares Buffalo 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 # 60 11th
Population Density # 39 39th
Diversity Index # 17 76th
Median Household Income # 65 3rd
Per Capita Income # 64 5th

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