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CITY

Buffalo Gap

South Dakota · 155 residents (2025 est.) · 0.306 sq mi
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The short version

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.

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

131
−20%since 2000
from 164 in 2000
1990 – 2025
428 / sq mi
−20%since 2000
from 536 / sq mi in 2000
US average: 281
66.3
+46%since 2000
from 45.5 in 2000
US average: 38.9

PEP 2025 EST:155 residents (Census Bureau Vintage 2025, released March 2026)

Population, 19902024
791061331591861990201020202024Buffalo Gap
2024131
1990201020202024
Section 02

Income & economy

$54,063
+19%inflation adjusted, since 2000
from $25,000 in 2000
US average: $82,259
1990 – 2024
$32,650
+122%since 2000
from $14,680 in 2000
US average: $44,673
Households earning $100K+
42.7%
+15.0 ptssince 2009
from 27.6% in 2009
US average: 53.3%
1.5%
−17.1 ptssince 2000
from 18.7% in 2000
US average: 12.5%
0.319
−9%since 2010
from 0.349 in 2010
US average: 0.476
Workforce by industry, 2024
Information28.1%
US avg: 10.8%
Other services6.3%
US avg: 6.7%
Agriculture, forestry, fishing1.6%
US avg: 1.6%
Construction1.6%
US avg: 1.2%
Wholesale trade1.6%
US avg: 6.9%
Retail trade1.6%
US avg: 9.9%
Manufacturing0%
US avg: 0.4%
Transportation & warehousing0%
US avg: 2.2%
Finance & insurance0%
US avg: 5.9%
Professional, scientific, technical0%
US avg: 5.1%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$100,000
+65%inflation adjusted, since 2000
from $33,300 in 2000
US average: $376,019
1990 – 2024
96.0%
+9.3 ptssince 2000
from 86.7% in 2000
4.0% rent
21.1%
−9.2 ptssince 2009
from 30.3% in 2009
US average: 10.0%
11.1%
−10.7 ptssince 2009
from 21.8% in 2009
US average: 22.9%
66.7%
+66.7 ptssince 2009
from 0.0% in 2009
US average: 47.4%
1.8
+39%since 2000
from 1.3 in 2000
1990 – 2024
RELATED:See current rent listings in Buffalo Gap on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic88.4%(145)
Black0%(0)
Hispanic / Latino4.9%(8)
Asian0%(0)
Other0%
Diversity Score12.4%(20)
2024
White, non-Hispanic98.5%(129)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other1.5%(2)
Diversity Score3.8%(5)
4
−70%since 2000
from 12 in 2000
1990 – 2024
Section 05

Education

27.3%
+13.8 ptssince 2000
from 13.5% in 2000
US average: 35.6%
High school or higher
97.3%
+11.7 ptssince 2000
from 85.6% in 2000
US average: 89.6%
10.9%
+5.5 ptssince 2000
from 5.4% in 2000
US average: 14.0%
Section 06

Commute & transportation

26.5 min
+32%since 2000
from 20.0 min in 2000
US average: 26.5
62.5%
−11.6 ptssince 2009
from 74.1% in 2009
US average: 68.9%
20.3%
+10.4 ptssince 2009
from 9.9% in 2009
US average: 8.5%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
17.2%
+1.1 ptssince 2009
from 16.0% in 2009
US average: 15.0%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 2.4%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 8.3%
Section 07

Work & employment

1.5%
−19.4 ptssince 2011
from 20.9% in 2011
US average: 5.2%
58.6%
+3.2 ptssince 2011
from 55.4% in 2011
US average: 63.5%
17.2%
−6.3 ptssince 2009
from 23.5% in 2009
US average: 13.1%
25.0%
−34.3 ptssince 2009
from 59.3% in 2009
US average: 42.5%
Section 08

People & community

53.4%
+11.9 ptssince 2009
from 41.6% in 2009
46.6%
−11.9 ptssince 2009
from 58.4% in 2009
1.5%
+1.5 ptssince 2009
from 0.0% in 2009
US average: 14.1%
46.8%
+4.1 ptssince 2009
from 42.7% in 2009
US average: 6.2%
26.0%
+15.7 ptssince 2012
from 10.3% in 2012
US average: 13.3%
6.9%
−66.9 ptssince 2013
from 73.8% in 2013
US average: 8.4%
86.7%
+19.5 ptssince 2017
from 67.2% in 2017
US average: 91.0%
78.4%
−19.5 ptssince 2016
from 97.9% in 2016
US average: 77.7%
20.0%
+17.9 ptssince 2016
from 2.1% in 2016
US average: 13.6%
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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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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