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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	123	87.86%
Native American	15	10.71%
Two or more races	2	1.43%

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