United States › South Dakota › Buffalo Gap CITY
Buffalo Gap South Dakota · 155 residents (2025 est.) · 0.31 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Buffalo Gap is home to 131 people in South Dakota. The median age is 66.3, about 27 years above the US median. Owners hold 96% of the housing stock. The typical home is worth $100,000, having roughly tripled since 2000. 2% of residents were born outside the United States. Poverty is uncommon here, at 1.5% of residents.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 66.3
US median: 38.9
Less educated
27% hold a bachelor's degree
US average: 36%
Less affordable
home values up 65%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 164 in 2000
155 in 2025 (Census Bureau estimate)
428 / sq mi
−15%since 2009
from 503 / sq mi in 2009
US average: 281
from 45.5 in 2000
US average: 38.9
Population, 1990 – 2024
79 106 133 159 186 1990 2000 2010 2020 2024 Buffalo Gap Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $54,063
+19%inflation adjusted, since 2000
from $25,000 in 2000
US average: $82,259
from $14,680 in 2000
US average: $44,673
Households earning $100K+
from 27.6% in 2009
US average: 53.3%
from 18.7% in 2000
US average: 12.5%
from 0.349 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 1.6%
Transportation & warehousing 0%
Professional, scientific, technical 0%
Education & health services 0%
Arts, entertainment, food 0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$100,000
+65%inflation adjusted, since 2000
from $33,300 in 2000
US average: $376,019
from 86.7% in 2000
4.0% rent
from 30.3% in 2009
US average: 10.0%
1.75 people
−46%since 2010
from 3.25 people in 2010
US average: 2.54
from 21.8% in 2009
US average: 22.9%
from 0.0% in 2009
US average: 47.4%
from 1.7 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 88.4%(145)
2024
White, non-Hispanic 98.5%(129)
from 36 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry from 13.5% in 2000
US average: 35.6%
High school or higher
from 85.6% in 2000
US average: 89.6%
from 5.4% in 2000
US average: 14.0%
Section 06
Commute & transportation from 20.0 min in 2000
US average: 26.5
from 74.1% in 2009
US average: 68.9%
from 9.9% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 16.0% in 2009
US average: 15.0%
from 0.0% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 0.0% in 2009
US average: 8.3%
Section 07
Work & employment from 20.9% in 2011
US average: 5.2%
from 55.4% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 36.4% in 2020
US average: 74.6%
from 23.5% in 2009
US average: 13.1%
from 23.5% in 2009
US average: 42.5%
Section 08
People & community from 0.0% in 2009
US average: 14.1%
from 27.5% in 2009
US average: 6.2%
from 10.3% in 2012
US average: 13.3%
from 26.2% in 2013
US average: 8.4%
from 67.2% in 2017
US average: 91.0%
Computer in household
from 81.8% in 2020
US average: 95.5%
from 98.3% in 2020
US average: 87.7%
from 97.9% in 2016
US average: 77.7%
from 2.1% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 26.2% in 2013
US average: 8.4%
from 21.6% in 2020
US average: 54.8%
Direct-purchase
from 37.1% in 2020
US average: 13.8%
from 49.1% in 2020
US average: 18.4%
from 29.3% in 2020
US average: 20.9%
VA health care
from 35.3% in 2020
US average: 2.2%
Any private
from 50.9% in 2020
US average: 67.1%
Any public
from 66.4% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 0%(0)
Share of the 52 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Frequently asked
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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