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COUNTY · 1990 CENSUS

Dewey County

South Dakota · 5,523 residents · 2,302.376 sq mi
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The short version

Dewey County has notably lower household income than the US average, with a median household income of $14,599. Population has declined 8% since 2000. 10% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $23,100. At a median age of 26.0, 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 26.0
US median: 33.0
Less educated
10% hold a bachelor's degree
US average: 20%
More affordable
home values down 7%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

5,523
−8%vs 2000
vs 5,972 in 2000
1990 – 2025
2 / sq mi
−8%vs 2000
vs 3 / sq mi in 2000
US average: 221
26.0
−2%vs 2000
vs 26.5 in 2000
US average: 33.0
Population, 19902024
5K5K6K6K6K1990201020202024Dewey County
20245K
1990201020202024
Section 02

Income & economy

$14,599
−17%inflation adjusted, since 2000
vs $23,272 in 2000
US average: $30,130
1990 – 2024
$6,515
−30%vs 2000
vs $9,251 in 2000
US average: $14,340
44.4%
+10.8 ptsvs 2000
vs 33.6% in 2000
US average: 13.2%
Section 03

Housing

$23,100
−7%inflation adjusted, since 2000
vs $32,900 in 2000
US average: $93,722
1990 – 2024
$271
+16%inflation adjusted, since 2000
vs $308 in 2000
US average: $450
49.2%
−6.1 ptsvs 2000
vs 55.2% in 2000
50.8% rent
1.6
+12%vs 2000
vs 1.4 in 2000
1990 – 2024
RELATED:See current rent listings in Dewey County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic24.1%(1,438)
Black0%(2)
Hispanic / Latino0.9%(51)
Asian0.1%(7)
Other0%
Diversity Score9.7%(577)
1990
White, non-Hispanic33.2%(1,835)
Black0.2%(10)
Hispanic / Latino0.4%(22)
Asian0%(0)
Other66.6%(3,678)
Diversity Score56.3%(3,110)
56
+483%vs 2000
vs 10 in 2000
1990 – 2024
Section 05

Education

10.4%
−1.7 ptsvs 2000
vs 12.2% in 2000
US average: 20.3%
High school or higher
67.1%
−10.3 ptsvs 2000
vs 77.4% in 2000
US average: 75.2%
2.9%
−0.4 ptsvs 2000
vs 3.3% in 2000
US average: 7.1%
Section 06

Commute & transportation

30.2 min
+124%vs 2000
vs 13.5 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 Dewey County, South Dakota?

Dewey County, South Dakota has about 5,523 residents according to the 1990 Census.

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

The typical household in Dewey County, South Dakota earns about $14,599 a year. Half of households make more than that, and half make less.

Is Dewey County, South Dakota expensive?

In Dewey County, South Dakota, the median home is worth about $23,100, and the typical rent is about $271 a month.

How educated are people in Dewey County, South Dakota?

About 10.4% of adults age 25 and over in Dewey County, South Dakota hold a bachelor's degree or higher.

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

About 44.4% of people in Dewey 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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