Buffalo County, South Dakota demographics
Population: 1,974
Median age: 25.4
Median household income: 38,523
Demographics, population, home values, social and economic characteristics of Buffalo County, South Dakota.
Population
| 2021 | 1,974 |
| 2020 | 2,005 |
| 2019 | 2,026 |
| 2018 | 2,053 |
| 2017 | 2,048 |
| 2016 | 2,052 |
| 2015 | 2,038 |
| 2014 | 2,013 |
| 2013 | 1,966 |
| 2012 | 1,950 |
| 2011 | 1,936 |
| 2010 | 1,932 |
| 2009 | 2,091 |
Buffalo County, SD cities
Fort Thompson CDP - 1,266
Gann Valley CDP - 12
Census data for Buffalo County, South Dakota
Demographic and housing estimates in Buffalo County, South Dakota
| Total population | 1,974 |
| Male | 1,026 |
| Female | 948 |
| Total population | 1,974 |
| Under 5 years | 239 |
| 5 to 9 years | 188 |
| 10 to 14 years | 183 |
| 15 to 19 years | 221 |
| 20 to 24 years | 144 |
| 25 to 34 years | 226 |
| 35 to 44 years | 225 |
| 45 to 54 years | 183 |
| 55 to 59 years | 83 |
| 60 to 64 years | 134 |
| 65 to 74 years | 100 |
| 75 to 84 years | 41 |
| 85 years and over | 7 |
| Median age (years) | 25.4 |
| Under 18 years | 756 |
| 16 years and over | 1,315 |
| 18 years and over | 1,218 |
| 21 years and over | 1,099 |
| 62 years and over | 233 |
| 65 years and over | 148 |
| Total population | 1,974 |
| One race | 1,956 |
| White | 285 |
| Black or African American | 0 |
| American Indian and Alaska Native | 1,655 |
| Asian | 0 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 16 |
| Two or more races | 18 |
| Citizen, VOTING AGE 18 and over population | 1,218 |
| Male Citizen, VOTING AGE 18 and over population | 626 |
| Female Citizen, VOTING AGE 18 and over population | 592 |
Social characteristics in Buffalo County, South Dakota
| Total households | 517 |
| Family households (families) | 156 |
| Married-couple family | 44 |
| Male householder, no wife present, family | 137 |
| Female householder, no husband present, family | 69 |
| Nonfamily households | 180 |
| Average household size | 119 |
| Average family size | 3.81 |
Economic characteristics in Buffalo County, South Dakota
| Total households | 517 |
| Less than $10,000 | 108 |
| $10,000 to $14,999 | 49 |
| $15,000 to $24,999 | 53 |
| $25,000 to $34,999 | 24 |
| $35,000 to $49,999 | 95 |
| $50,000 to $74,999 | 96 |
| $75,000 to $99,999 | 66 |
| $100,000 to $149,999 | 24 |
| $150,000 to $199,999 | 1 |
| $200,000 or more | 1 |
| Median household income (dollars) | 38,523 |
Housing characteristics in Buffalo County, South Dakota
| Total housing units | 615 |
| Occupied housing units | 517 |
| Vacant housing units | 98 |
| Total housing units | 615 |
| 1-unit, detached | 459 |
| 1-unit, attached | 8 |
| 2 units | 10 |
| 3 or 4 units | 0 |
| 5 to 9 units | 0 |
| 10 to 19 units | 33 |
| 20 or more units | 6 |
| Mobile home | 99 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 615 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 26 |
| Built 2000 to 2009 | 20 |
| Built 1990 to 1999 | 92 |
| Built 1980 to 1989 | 111 |
| Built 1970 to 1979 | 178 |
| Built 1960 to 1969 | 92 |
| Built 1950 to 1959 | 22 |
| Built 1940 to 1949 | 11 |
| Built 1939 or earlier | 63 |
| Total housing units | 615 |
| 1 room | 10 |
| 2 rooms | 32 |
| 3 rooms | 18 |
| 4 rooms | 136 |
| 5 rooms | 169 |
| 6 rooms | 126 |
| 7 rooms | 43 |
| 8 rooms | 23 |
| 9 rooms or more | 58 |
| Median rooms | 5.2 |
| Total housing units | 615 |
| No bedroom | 10 |
| 1 bedroom | 50 |
| 2 bedrooms | 136 |
| 3 bedrooms | 242 |
| 4 bedrooms | 111 |
| 5 or more bedrooms | 66 |
| Occupied housing units | 517 |
| Owner-occupied | 253 |
| Renter-occupied | 264 |
| Average household size of owner-occupied unit | 3.20 |
| Average household size of renter-occupied unit | 4.40 |
| Occupied housing units | 517 |
| Moved in 2017 or later | 13 |
| Moved in 2015 to 2016 | 90 |
| Moved in 2010 to 2014 | 112 |
| Moved in 2000 to 2009 | 115 |
| Moved in 1990 to 1999 | 76 |
| Moved in 1989 and earlier | 111 |
| Owner-occupied units | 253 |
| Less than $50,000 | 108 |
| $50,000 to $99,999 | 28 |
| $100,000 to $149,999 | 47 |
| $150,000 to $199,999 | 55 |
| $200,000 to $299,999 | 15 |
| $300,000 to $499,999 | 0 |
| $500,000 to $999,999 | 0 |
| $1,000,000 or more | 0 |
| Median (dollars) | 88,300 |
| Owner-occupied units | 253 |
| Housing units with a mortgage | 10 |
| Housing units without a mortgage | 243 |
| Occupied units paying rent | 217 |
| Less than $500 | 91 |
| $500 to $999 | 115 |
| $1,000 to $1,499 | 11 |
| $1,500 to $1,999 | 0 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 560 |
| No rent paid | 47 |
Demographic data for Buffalo County, SD and each city in the county. Lists of cities by population, wealth and poverty in Buffalo County, SD.
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