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COUNTY · 2000 CENSUS

Dewey County

South Dakota · 5,972 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 $23,272. Population has held roughly steady since 1990. 12% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value is $32,900. At a median age of 26.5, residents skew younger than the country as a whole. Households here earn about 34% less than the South Dakota median.

At a glance
Lower income
below the US median
US median: $42,589
Younger
median age 26.5
US median: 35.2
Less educated
12% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

5,972
+8%since 1990
from 5,523 in 1990
1990 – 2025
3 / sq mi
+8%since 1990
from 2 / sq mi in 1990
US average: 242
26.5
+2%since 1990
from 26.0 in 1990
US average: 35.2
Population, 19902024
5K5K6K6K6K1990201020202024Dewey County
20245K
1990201020202024
Section 02

Income & economy

$23,272
+21%inflation adjusted, since 1990
from $14,599 in 1990
US average: $42,589
1990 – 2024
$9,251
+42%since 1990
from $6,515 in 1990
US average: $21,522
33.6%
−10.8 ptssince 1990
from 44.4% in 1990
US average: 12.4%
Section 03

Housing

$32,900
+8%inflation adjusted, since 1990
from $23,100 in 1990
US average: $120,530
1990 – 2024
$308
−14%inflation adjusted, since 1990
from $271 in 1990
US average: $602
55.2%
+6.1 ptssince 1990
from 49.2% in 1990
44.8% rent
1.4
−11%since 1990
from 1.6 in 1990
1990 – 2024
RELATED:See current rent listings in Dewey County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic33.2%(1,835)
Black0.2%(10)
Hispanic / Latino0.4%(22)
Asian0%(0)
Diversity Score56.3%(3,110)
2000
White, non-Hispanic24.1%(1,438)
Black0%(2)
Hispanic / Latino0.9%(51)
Asian0.1%(7)
Diversity Score9.7%(577)
10
−83%since 1990
from 56 in 1990
1990 – 2024
Section 05

Education

12.2%
+1.7 ptssince 1990
from 10.4% in 1990
US average: 24.4%
High school or higher
77.4%
+10.3 ptssince 1990
from 67.1% in 1990
US average: 80.3%
3.3%
+0.4 ptssince 1990
from 2.9% in 1990
US average: 8.8%
Section 06

Commute & transportation

13.5 min
−55%since 1990
from 30.2 min in 1990
US average: 17.6
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 5,972 residents according to the 2000 Census.

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

The typical household in Dewey County, South Dakota earns about $23,272 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 $32,900, and the typical rent is about $308 a month.

How educated are people in Dewey County, South Dakota?

About 12.2% 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 33.6% of people in Dewey County, South Dakota live below the federal poverty line.

Has Dewey County, South Dakota grown since 1990?

Yes, Dewey County, South Dakota has grown since 1990. The population has added about 449 residents, a change of about 8 percent over that period.

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

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