Buffalo Gap

County:: Custer County
County Seat:: No
Area (mi²):: 0.306
State:: South Dakota

Buffalo Gap is a town located in Custer County, South Dakota. Buffalo Gap has a 2025 population of 161. Buffalo Gap is currently growing at a rate of 3.87% annually and its population has increased by 23.85% since the most recent census, which recorded a population of 130 in 2020.

The average household income in Buffalo Gap is $52,849 with a poverty rate of 6.43%. The median age in Buffalo Gap is 64 years: 69.4 years for males, and 61.6 years for females.

Demographics

The racial composition of Buffalo Gap includes 87.86% White, 10.71% Native American, and smaller percentages for Two or more races, Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Native American

Two or more races

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	123	87.86%
Native American	15	10.71%
Two or more races	2	1.43%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Buffalo Gap Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Buffalo Gap's average per capita income is $0. Household income levels show a median of $55,268. The poverty rate stands at 6.43%.

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	$82,344	-
Families	$80,938	$67,703
Households	$55,268	$52,849
Non Families	-	$43,321

$0

Average Income

$55,268

Median Household Income

6.43%

Poverty Rate