Buffalo Flag

Buffalo

County:
Harding County
County Seat:
No
Area (mi²):
0.554
State:
South Dakota

Buffalo is a town located in Harding County, South Dakota. Buffalo has a 2025 population of 354 . Buffalo is currently growing at a rate of 0.28% annually and its population has increased by 2.02% since the most recent census, which recorded a population of 347 in 2020.

The average household income in Buffalo is $90,755 with a poverty rate of 6.03%. The median age in Buffalo is 54.6 years: 53.1 years for males, and 57.5 years for females. For every 100 females there are 171.2 males.

354
Total Population
639
Density (mi²)
1 0.28%
Growth

Buffalo Population

Buffalo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Buffalo includes 95.74% White, and smaller percentages for other race, Two or more races and multiracial populations.

Population by Race

White (95.74%)

Other race (2.13%)

Two or more races (2.13%)

Race
Population
Percentage (of total)
White27095.74%
Other race62.13%
Two or more races62.13%

Buffalo Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Buffalo's average per capita income is $52,000. Household income levels show a median of $81,607. The poverty rate stands at 6.03%.

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$93,125$76,477
Married Families$81,964-
Households$81,607$90,755
Families$80,893$105,576

$52,000

Average Income

$81,607

Median Household Income

6.03%

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)