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COUNTY · 1990 CENSUS

Buffalo County

South Dakota · 1,759 residents · 471.405 sq mi
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The short version

Buffalo County has notably lower household income than the US average, with a median household income of $14,566. Population has declined 13% since 2000. 4% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $14,999. At a median age of 22.2, residents skew younger than the country as a whole. Households here earn about 35% less than the South Dakota median.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 22.2
US median: 33.0
Less educated
4% hold a bachelor's degree
US average: 20%
More affordable
home values down 36%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

1,759
−13%vs 2000
vs 2,032 in 2000
1990 – 2025
4 / sq mi
−13%vs 2000
vs 4 / sq mi in 2000
US average: 221
22.2
−5%vs 2000
vs 23.4 in 2000
US average: 33.0
Population, 19902024
2K2K2K2K2K1990201020202024Buffalo County
20242K
1990201020202024
Section 02

Income & economy

$14,566
+51%inflation adjusted, since 2000
vs $12,692 in 2000
US average: $30,130
1990 – 2024
$5,067
−3%vs 2000
vs $5,213 in 2000
US average: $14,340
45.1%
−11.8 ptsvs 2000
vs 56.9% in 2000
US average: 13.2%
Section 03

Housing

$14,999
−36%inflation adjusted, since 2000
vs $30,900 in 2000
US average: $93,722
1990 – 2024
$235
−3%inflation adjusted, since 2000
vs $319 in 2000
US average: $450
42.4%
−0.4 ptsvs 2000
vs 42.8% in 2000
57.6% rent
1.0
−58%vs 2000
vs 2.4 in 2000
1990 – 2024
RELATED:See current rent listings in Buffalo County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic16.3%(332)
Black0.1%(2)
Hispanic / Latino0.9%(18)
Asian0%(0)
Other0%
Diversity Score13.5%(274)
1990
White, non-Hispanic22.3%(393)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other77.7%(1,366)
Diversity Score43.4%(763)
43
+222%vs 2000
vs 13 in 2000
1990 – 2024
Section 05

Education

4.2%
−1.2 ptsvs 2000
vs 5.4% in 2000
US average: 20.3%
High school or higher
61.2%
−2.7 ptsvs 2000
vs 63.9% in 2000
US average: 75.2%
1.0%
−0.2 ptsvs 2000
vs 1.2% in 2000
US average: 7.1%
Section 06

Commute & transportation

38.0 min
+196%vs 2000
vs 12.8 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Buffalo County, South Dakota?

Buffalo County, South Dakota has about 1,759 residents according to the 1990 Census.

What is the median household income in Buffalo County, South Dakota?

The typical household in Buffalo County, South Dakota earns about $14,566 a year. Half of households make more than that, and half make less.

Is Buffalo County, South Dakota expensive?

In Buffalo County, South Dakota, the median home is worth about $14,999, and the typical rent is about $235 a month.

How educated are people in Buffalo County, South Dakota?

About 4.2% of adults age 25 and over in Buffalo County, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Buffalo County, South Dakota?

About 45.1% of people in Buffalo County, South Dakota live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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