Buffalo Gap Flag

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.

161
Total Population
527
Density (mi²)
6 3.87%
Growth

Buffalo Gap Population

Buffalo Gap Population

Data after 2023 is projected based on recent change

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)
White12387.86%
Native American1510.71%
Two or more races21.43%

Buffalo Gap Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)