United States › South Dakota › Dewey County COUNTY · 1990 CENSUS
Dewey County South Dakota · 5,523 residents · 2,302 sq mi
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The short version
Dewey County is a county of 5,523 people in South Dakota. The poverty rate is 44.4%, above the 13.2% national rate. This skews young, with a median age of 26.0. The typical home is worth $23,100. 49% of homes are owner-occupied. Households here earn about 35% less than in South Dakota as a whole.
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 vs 26.5 in 2000
US average: 33.0
Population, 1990 – 2024
5K 5K 6K 6K 6K 1990 2000 2010 2020 2024 Dewey County Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $14,599
−17%inflation adjusted, since 2000
vs $23,272 in 2000
US average: $30,130
vs $9,251 in 2000
US average: $14,340
vs 33.6% in 2000
US average: 13.2%
$23,100
−7%inflation adjusted, since 2000
vs $32,900 in 2000
US average: $93,722
$271
+16%inflation adjusted, since 2000
vs $308 in 2000
US average: $450
vs 55.2% in 2000
50.8% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 24.1%(1,438)
Hispanic / Latino 0.9%(51)
1990
White, non-Hispanic 33.2%(1,835)
Hispanic / Latino 0.4%(22)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 7 more ancestry groups with data vs 12.2% in 2000
US average: 20.3%
High school or higher
vs 77.4% in 2000
US average: 75.2%
vs 3.3% in 2000
US average: 7.1%
Section 06
Commute & transportation 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.
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 34.3% in 2013
US average: 8.4%
from 23.8% in 2020
US average: 54.8%
Direct-purchase
from 8.3% in 2020
US average: 13.8%
from 10.9% in 2020
US average: 18.4%
from 38.8% in 2020
US average: 20.9%
VA health care
from 1.9% in 2020
US average: 2.2%
Any private
from 31.5% in 2020
US average: 67.1%
Any public
from 48.1% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 12.2%(17)
Gulf War (1990s) 30.9%(43)
Share of the 139 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Dewey County Head to head
Compare Dewey County to nearby counties DEWEY COUNTY VS
Corson County
Income $46,406 +218%
Home value $69,800 +202%
Population 3,781 −30%
SEE FULL COMPARISON →
DEWEY COUNTY VS
Ziebach County
Income $53,958 +270%
Home value $99,600 +331%
Population 2,389 −56%
SEE FULL COMPARISON →
DEWEY COUNTY VS
Potter County
Income $72,045 +393%
Home value $121,300 +425%
Population 2,377 −56%
SEE FULL COMPARISON →
DEWEY COUNTY VS
Walworth County
Income $65,026 +345%
Home value $136,600 +491%
Population 5,217 −4%
SEE FULL COMPARISON →
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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