Buffalo Gap
Buffalo Gap has notably lower household income than the US average, with a median household income of $54,063. Population has fallen 20% since 2000, a loss of 33 residents. Median home value has roughly tripled since 2000, reaching $100,000. With a median age of 66.3, the population is older than the US median of 38.9. Poverty is rare here, at 1.5% of residents. Households here earn about 28% less than the South Dakota median.
Population & growth
PEP 2025 EST:155 residents (Census Bureau Vintage 2025, released March 2026)
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Education
Commute & transportation
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People & community
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How many people live in Buffalo Gap, South Dakota?
Buffalo Gap, South Dakota has about 131 residents according to the 2024 American Community Survey.
What is the median household income in Buffalo Gap, South Dakota?
The typical household in Buffalo Gap, South Dakota earns about $54,063 a year. Half of households make more than that, and half make less.
Is Buffalo Gap, South Dakota expensive?
In Buffalo Gap, South Dakota, the median home is worth about $100,000.
How educated are people in Buffalo Gap, South Dakota?
About 27.3% of adults age 25 and over in Buffalo Gap, South Dakota hold a bachelor's degree or higher.
What is the poverty rate in Buffalo Gap, South Dakota?
About 1.5% of people in Buffalo Gap, South Dakota live below the federal poverty line.
Has Buffalo Gap, South Dakota grown since 1990?
Yes, Buffalo Gap, South Dakota has shrunk since 1990. The population has lost about 46 residents, a change of about -26 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024