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 362. Buffalo is currently growing at a rate of 0.84% annually and its population has increased by 4.32% 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.

Demographics

The racial composition of Buffalo includes 95.74% White, and smaller percentages for other race, Two or more races, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	270	95.74%
Other race	6	2.13%
Two or more races	6	2.13%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Buffalo Marital Status

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