Buffalo Gap town, South Dakota Demographics & Population 2026
As of 2026, Buffalo Gap town, South Dakota has a total population of 140, the 272nd largest city in South Dakota, with a median household income of $55,268, which is 24% lower than the state average. The poverty rate is 6.4%.
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.2x.
Buffalo Gap town Quick Facts
How Buffalo Gap town Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 33 | National average: 60
Education
Educational Attainment (Adults 25+)
Buffalo Gap town Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Custer County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Custer city | 2,148 | $80,188 | 9.8% | $229,500 |
| Pringle town | 198 | $43,929 | 3.0% | $9,999 |
| Fairburn town | 57 | $21,875 | 8.8% | $80,800 |
Cities Similar to Buffalo Gap town
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Canova town | 140 | $58,000 | $35,000 | 1.3% | 23.4% |
| Corn Creek CDP | 147 | N/A | N/A | 0.0% | 93.9% |
| Geddes city | 141 | $61,250 | $81,800 | 23.4% | 5.7% |
| Frankfort city | 142 | $61,875 | $54,600 | 18.0% | 8.5% |
| Okreek CDP | 157 | N/A | N/A | 16.7% | 23.6% |
Population Overview
Buffalo Gap town is a small community located in South Dakota, within Custer County. The total population is 140. It ranks as the 272nd most populous out of 439 cities and towns in South Dakota.
Age Demographics
The median age in Buffalo Gap town is 64.0 years. This is 70% higher than the state median of 37.7 years. Only 14.3% of residents are under 18, indicating fewer families with children. 19.3% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Buffalo Gap town is $55,268. This is 24% lower than the state median of $72,421. Compared to the national median of $78,538, household income here is 30% lower. The poverty rate stands at 6.4%. This is 46% lower than the state poverty rate of 12.0%. The unemployment rate is 3.0%. The median home value is $67,500. Housing costs are 71% lower than the state median of $236,800. With a home-value-to-income ratio of just 1.2x, Buffalo Gap town is one of the most affordable housing markets in the area. 95.4% of occupied housing units are owner-occupied. This homeownership rate is 39% higher than the state average of 68.6%.
Race & Ethnicity
Buffalo Gap town has a predominantly White (non-Hispanic) population, comprising 87.9% of all residents.
Education
20.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 36% lower than the state rate of 31.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.5%.
Data Sources & Methodology
All demographic data for Buffalo Gap town, South Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Buffalo Gap town, South Dakota?
Buffalo Gap town, South Dakota has a population of 140 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Buffalo Gap town, SD?
The median household income in Buffalo Gap town is $55,268, which is 30% lower the national median of $78,538.
What is the poverty rate in Buffalo Gap town, SD?
The poverty rate in Buffalo Gap town is 6.4%. This means approximately 9 residents live below the federal poverty line.
What is the racial makeup of Buffalo Gap town, South Dakota?
Buffalo Gap town's population is 87.9% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Buffalo Gap town, SD?
The median home value in Buffalo Gap town is $67,500. The home-value-to-income ratio is 1.2x.
How educated is Buffalo Gap town, South Dakota?
20.0% of adults (25+) in Buffalo Gap town hold a bachelor's degree or higher, and 7.5% hold a graduate or professional degree.