Buffalo

County:: Harper County
County Seat:: Yes
Area (mi²):: 1.113
State:: Oklahoma

Buffalo is a town located in Harper County, Oklahoma. Buffalo has a 2025 population of 999. It is also the county seat of Harper County. Buffalo is currently declining at a rate of -0.79% annually and its population has decreased by -3.76% since the most recent census, which recorded a population of 1,038 in 2020.

The average household income in Buffalo is $75,681 with a poverty rate of 9.8%.The median age in Buffalo is 41.7 years: 41.7 years for males, and 42 years for females.

Demographics

The racial composition of Buffalo includes 78.54% White, 14.95% other race, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	977	78.54%
Other race	186	14.95%
Two or more races	78	6.27%
Black or African American	2	0.16%
Native American	1	0.08%

Buffalo Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Buffalo's average per capita income is $37,321. Household income levels show a median of $69,875. The poverty rate stands at 9.8%.

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
Married Families	$83,063	-
Families	$79,453	$88,215
Households	$69,875	$75,681
Non Families	-	$38,634

$37,321

Average Income

$69,875

Median Household Income

9.8%

Poverty Rate