Buffalo County SD Information


Buffalo County Subdivisions

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


Total Population 2,032
Daytime Population: Workers 669
Daytime Population: Residents 1,321
Total Daytime Population (TDP) 1,990
Ratio TDP/Total Population1 0.98
Population in Households 2,029
Population in Familes 1,747
Population in Group Qrtrs 3
Population Density2 4
Diversity Index3 32


Median Household Income $31,540
Average Household Income $45,931
Per Capita Income $12,903


Total Housing Units 639 (100%)
Owner Occupied HU 270 (42.3%)
Renter Occupied HU 300 (46.9%)
Vacant Housing Units 69 (10.8%)
Median Home Value $73,158
Average Home Value $142,222


Total Households 570
Average Household Size 3.56
Family Households 433
Average Family Size 4
  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 0.84% 0.79%
Households 0.96% 0.9%
Families 0.86% 0.82%
Median Household Income   0.77%
Per Capita Income   2.46%


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, 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 # 59 12th
Population Density # 38 44th
Diversity Index # 17 76th
Median Household Income # 63 6th
Per Capita Income # 64 5th

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