Buffalo Flag

Buffalo

County:
Harding County
County Seat:
Yes
Area (mi²):
0.554
State:
South Dakota

Buffalo is a town located in Harding County, South Dakota. Buffalo has a 2026 population of 356. It is also the county seat of Harding County. Buffalo is currently growing at a rate of 0.56% annually and its population has increased by 2.59% since the most recent census, which recorded a population of 347 in 2020.

The median household income in Buffalo is $85,104 with a poverty rate of 6.83%. The median age in Buffalo is 57.2 years: 54.5 years for males, and 59.5 years for females. For every 100 females there are 152.7 males.

356
Total Population
643
Density (mi²)
2 0.56%
Growth

Buffalo Population

Buffalo Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202635620.56%
202535410.28%
202435310.28%
2023352-3-0.85%
202235500%
202135582.31%
2020347-1-0.29%
2019371185.1%
201835351.44%
2017348-3-0.85%
201635151.45%
2015346113.28%
201433510.3%
2013334-9-2.62%
201234382.39%
201133551.52%
2010328-2-0.61%

Median Age

Overall: 57.2 years
Female: 59.5 years
Male: 54.5 years

Buffalo Adults

There are 248 adults, (57 of whom are seniors) in Buffalo.

Sex Ratio

Female: 110 (39.6%)
Male: 168 (60.4%)

Demographics

The racial composition of Buffalo includes 94.24% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White26294.24%
Two or more races103.6%
Other race62.16%
Race
Population ↓
Percentage (of total)
Two or more races31.08%
White20.72%
Race
Population ↓
Percentage (of total)
White26093.53%
Two or more races72.52%
Other race62.16%

Buffalo Marital Status

Economics and Income Statistics

Buffalo 's average per capita income is $54,583. Household income levels show a median of $85,104. The poverty rate stands at 6.83%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Non Families$92,500$81,342
Married Families$85,417-
Households$85,104$99,242
Families$84,821$116,061

$54,583

Average Income

$85,104

Median Household Income

6.83%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)