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COUNTY · 2010 ACS

Dewey County

South Dakota · 5,301 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 $33,255. Population has declined 11% since 2000. 13% of adults hold a bachelor's degree or higher, below the national rate of 28%. Median home value has risen by half since 2000, reaching $56,900. At a median age of 30.0, residents skew younger than the country as a whole. Households here earn about 28% less than the South Dakota median.

At a glance
Lower income
below the US median
US median: $52,703
Younger
median age 30.0
US median: 37.2
Less educated
13% hold a bachelor's degree
US average: 28%
Less affordable
home values up 37%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
5,301
−11%since 2000
from 5,972 in 2000
1990 – 2025
Population density
2 / sq mi
−11%since 2000
from 3 / sq mi in 2000
US average: 261
Median age
30.0
+13%since 2000
from 26.5 in 2000
US average: 37.2
Population, 1990 – 2024
5K5K6K6K6K1990201020202024Dewey County
20245K
1990201020202024
Section 02

Income & economy

Median household income
$33,255
+13%inflation adjusted, since 2000
from $23,272 in 2000
US average: $52,703
1990 – 2024
Per capita income
$15,632
+69%since 2000
from $9,251 in 2000
US average: $27,286
Households earning $100K+
19.0%
−0.2 ptssince 2009
from 19.2% in 2009
US average: 33.3%
Poverty rate
30.5%
−3.1 ptssince 2000
from 33.6% in 2000
US average: 13.8%
Income inequality (Gini)
0.491
US average: 0.461
Workforce by industry, 2010
Agriculture, forestry, fishing18.6%
US avg: 1.9%
Construction18.6%
US avg: 1.4%
Wholesale trade8.9%
US avg: 7.2%
Information5.9%
US avg: 11.5%
Finance & insurance4.6%
US avg: 5.1%
Professional, scientific, technical3.5%
US avg: 4.2%
Other services2%
US avg: 7%
Transportation & warehousing1.3%
US avg: 3.1%
Education & health services1.1%
US avg: 0.9%
Arts, entertainment, food0.6%
US avg: 2.4%
Retail trade0.3%
US avg: 10.9%
Public administration0.1%
US avg: 4.9%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$56,900
+37%inflation adjusted, since 2000
from $32,900 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$374
−4%inflation adjusted, since 2000
from $308 in 2000
US average: $853
Owner-occupied
20.2%
−35.1 ptssince 2000
from 55.2% in 2000
40.6% rent
Vacancy rate
16.7%
+1.6 ptssince 2009
from 15.0% in 2009
US average: 12.1%
Owner cost-burdened
13.8%
−0.2 ptssince 2009
from 14.0% in 2009
US average: 30.9%
Renter cost-burdened
28.3%
−2.5 ptssince 2009
from 30.8% in 2009
US average: 46.8%
Afford Score
1.7
+21%since 2000
from 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)
2010
White, non-Hispanic20.9%(1,108)
Black0.1%(5)
Hispanic / Latino1.8%(98)
Asian0.1%(7)
Other76.4%(4,048)
Diversity Score45.6%(2,415)
Diversity Score
46
+371%since 2000
from 10 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
12.6%
+0.5 ptssince 2000
from 12.2% in 2000
US average: 27.9%
High school or higher
79.7%
+2.3 ptssince 2000
from 77.4% in 2000
US average: 84.9%
Graduate degree
3.4%
+0.1 ptssince 2000
from 3.3% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
12.5 min
−7%since 2000
from 13.5 min in 2000
US average: 25.2
Drive alone to work
62.0%
+2.9 ptssince 2009
from 59.1% in 2009
US average: 76.2%
Carpooled to work
16.4%
−0.1 ptssince 2009
from 16.5% in 2009
US average: 10.4%
Public transit
0.3%
Unchangedsince 2009
from 0.2% in 2009
US average: 4.7%
Worked from home
6.2%
−0.2 ptssince 2009
from 6.4% in 2009
US average: 4.1%
Walked to work
11.5%
−1.2 ptssince 2009
from 12.7% in 2009
US average: 2.8%
Biked to work
0.8%
Unchangedsince 2009
from 0.8% in 2009
US average: 0.5%
No vehicle available
9.4%
+1.0 ptssince 2009
from 8.4% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
31.6%
−2.6 ptssince 2009
from 34.2% in 2009
US average: 12.9%
Management & professional
47.1%
−18.6 ptssince 2009
from 65.7% in 2009
US average: 35.2%
Section 08

People & community

Male
49.6%
+0.7 ptssince 2009
from 48.8% in 2009
Female
50.4%
−0.7 ptssince 2009
from 51.2% in 2009
Foreign born
0.1%
Unchangedsince 2009
from 0.0% in 2009
US average: 12.8%
Veterans
8.8%
−39.3 ptssince 2009
from 48.1% in 2009
US average: 9.9%
Drill deeper

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Head to head

Compare Dewey County to nearby counties

DEWEY COUNTY VS
Corson County
Income$46,406+40%
Home value$69,800+23%
Population3,781−30%
SEE FULL COMPARISON →
DEWEY COUNTY VS
Ziebach County
Income$53,958+62%
Home value$99,600+75%
Population2,389−56%
SEE FULL COMPARISON →
DEWEY COUNTY VS
Potter County
Income$72,045+117%
Home value$121,300+113%
Population2,377−56%
SEE FULL COMPARISON →
DEWEY COUNTY VS
Walworth County
Income$65,026+96%
Home value$136,600+140%
Population5,217−4%
SEE FULL COMPARISON →
Frequently asked

How many people live in Dewey County, South Dakota?

Dewey County, South Dakota has about 5,301 residents according to the 2010 American Community Survey.

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

The typical household in Dewey County, South Dakota earns about $33,255 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 $56,900, and the typical rent is about $374 a month.

How educated are people in Dewey County, South Dakota?

About 12.6% 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 30.5% 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 shrunk since 1990. The population has lost about 222 residents, a change of about -4 percent over that period.

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Explore from here

2 census tracts
Census Tract 9417Census Tract 9415
7 ZIP codes
ZIP 57625ZIP 57601ZIP 57656ZIP 57652ZIP 57661ZIP 57636ZIP 57630
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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