Buffalo Flag

Buffalo

County:
Harding County
County Seat:
No
Area (mi²):
28.542
State:
South Dakota

Buffalo is located in Harding County, South Dakota. Buffalo has a 2025 population of 139 . Buffalo is currently growing at a rate of 1.46% annually and its population has increased by 8.59% since the most recent census, which recorded a population of 128 in 2020.

The average household income in Buffalo is $83,182 with a poverty rate of 3.5%. The median age in Buffalo is 30.5 years: 39.9 years for males, and 18.7 years for females. For every 100 females there are 63.8 males.

139
Total Population
5
Density (mi²)
2 1.46%
Growth

Buffalo Population

Buffalo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Buffalo includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White213100%

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 $0. Household income levels show a median of $89,125. The poverty rate stands at 3.5%.

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
Families$105,268$98,714
Married Families$89,375-
Households$89,125$83,182
Non Families--

$0

Average Income

$89,125

Median Household Income

3.5%

Poverty Rate

Nearby Cities

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)