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Buffalo County, South Dakota's estimated population is 1,832 with a growth rate of -3.43% in the past year according to the most recent United States census data. Buffalo County, South Dakota is the null largest county in South Dakota. The 2010 Population was 1,934 and has seen a growth of -5.27% since this time.
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 1,832 | -65 | -3.43% |
| 2020 | 1,897 | -65 | -3.31% |
| 2019 | 1,962 | -65 | -3.21% |
| 2018 | 2,027 | 14 | 0.70% |
| 2017 | 2,013 | -17 | -0.84% |
| 2016 | 2,030 | -68 | -3.24% |
| 2015 | 2,098 | 12 | 0.58% |
| 2014 | 2,086 | 61 | 3.01% |
| 2013 | 2,025 | 9 | 0.45% |
| 2012 | 2,016 | 38 | 1.92% |
| 2011 | 1,978 | 44 | 2.28% |
| 2010 | 1,934 | 175 | 9.95% |
| 1990 | 1,759 | -36 | -2.01% |
| 1980 | 1,795 | 56 | 3.22% |
| 1970 | 1,739 | 192 | 12.41% |
| 1960 | 1,547 | -68 | -4.21% |
| 1950 | 1,615 | -238 | -12.84% |
| 1940 | 1,853 | -78 | -4.04% |
| 1930 | 1,931 | 216 | 12.59% |
| 1920 | 1,715 | 126 | 7.93% |
| 1910 | 1,589 | -201 | -11.23% |
| 1900 | 1,790 | 797 | 80.26% |
| 1890 | 993 | 930 | 1476.19% |
| 1880 | 63 | -183 | -74.39% |
| 1870 | 246 | 0.00% |
| Race | Population | Percentage |
|---|---|---|
| American Indian and Alaska Native | 1,720 | 84.90% |
| White | 282 | 13.92% |
| Two or More Races | 21 | 1.04% |
| Black or African American | 3 | 0.15% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 564 | 3.59 | 46.3 |
| Mujer | 190 | 4.32 | 37.9 |
| Married | 163 | 4.61 | 47.2 |
| Non Family | 142 | 1.11 | 58.5 |
| Masculino | 69 | 4.25 | 42 |
4.09
Average Family Size
3.59
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 31 | 3.00% |
| 9th to 12th Grade | 195 | 18.88% |
| High School Graduate | 409 | 39.59% |
| Some College | 223 | 21.59% |
| Associates Degree | 87 | 8.42% |
| Bachelors Degree | 71 | 6.87% |
| Graduate Degree | 17 | 1.65% |
| Race | Total | High School | Bachelors |
|---|---|---|---|
| Native American | 833 | 617 | 40 |
| White | 183 | 176 | 48 |
| Hispanic | 27 | 18 | |
| 2+ Races | 9 | 6 | |
| Black | 3 | 3 |
The highest rate of high school graduation is among black people with a rate of 100.00%.
The highest rate of bachelors degrees is among white people with a rate of 26.23%.
89.70% of Buffalo County, South Dakota residents speak only English, while 10.30% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 10.13% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Native | 1,700 | 746 | 43.88% |
| White | 273 | 36 | 13.19% |
| Multiple | 21 | 12 | 57.14% |
| Hispanic | 77 | 9 | 11.69% |
39.66%
Overall Poverty Rate
39.54%
Male Poverty Rate
39.78%
Female Poverty Rate
The race most likely to be in poverty in Buffalo County, South Dakota is Multiple, with 57.14% below the poverty level.
The race least likely to be in poverty in Buffalo County, South Dakota is Hispanic, with 11.69% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 9.76%. Among those working part-time, it was 36.20%, and for those that did not work, the poverty rate was 59.53%.
28.1%
Overall Marriage Rate
29.2%
Male Marriage Rate
27.0%
Female Marriage Rate
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
| Name | Veterans | % of Total |
|---|---|---|
| Native American | 77 | 7.34% |
| White | 23 | 11.62% |
24.00%
Veteran Poverty Rate
33.00%
Veteran Disability Rate
57.3%
Labor Force Participation
44.6%
Employment Rate
22.3%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
100.00%
Native Born
0.00%
Foreign Born
0.00%
Non Citizen
0.00%
Naturalized
100.00% of Buffalo County, South Dakota residents were born in the United States, with 92.60% having been born in South Dakota. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.