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, 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	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%
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 $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