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 2026 population of 166. Buffalo Gap is currently growing at a rate of 3.75% annually and its population has increased by 28.68% since the most recent census, which recorded a population of 129 in 2020.

The median household income in Buffalo Gap is $54,063 with a poverty rate of 1.53%. The median age in Buffalo Gap is 66.3 years: 69.1 years for males, and 64.3 years for females. For every 100 females there are 114.8 males.

166
Total Population
543
Density (mi²)
6 3.75%
Growth

Buffalo Gap Population

Buffalo Gap Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202616663.75%
202516063.9%
202415453.36%
202314942.76%
2022145107.41%
202113564.65%
202012910.78%
201914332.14%
201814010.72%
201713921.46%
201613753.79%
201513200%
201413221.54%
201313010.78%
201212910.78%
201112821.59%
201012821.59%

Median Age

Overall: 66.3 years
Female: 64.3 years
Male: 69.1 years

Buffalo Gap Adults

There are 111 adults, (67 of whom are seniors) in Buffalo Gap.

Sex Ratio

Female: 61 (46.6%)
Male: 70 (53.4%)

Demographics

The racial composition of Buffalo Gap includes 98.47% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White12998.47%
Two or more races21.53%
Race
Population ↓
Percentage (of total)
White12998.47%
Two or more races21.53%

Buffalo Gap Marital Status

Economics and Income Statistics

Buffalo Gap 's average per capita income is $0. Household income levels show a median of $54,063. The poverty rate stands at 1.53%.

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$87,500-
Families$84,479$79,368
Households$54,063$57,417
Non Families$24,412$36,045

$0

Average Income

$54,063

Median Household Income

1.53%

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)