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COUNTY · 1990 CENSUS

Union County

South Dakota · 10,189 residents · 460.757 sq mi
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The short version

Union County has notably lower household income than the US average, with a median household income of $22,274. Population has fallen 19% since 2000, a loss of 2,395 residents. Median home value is $37,600.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 35.0
US median: 33.0
Less educated
14% hold a bachelor's degree
US average: 20%
More affordable
home values down 42%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

10,189
−19%vs 2000
vs 12,584 in 2000
1990 – 2025
22 / sq mi
−19%vs 2000
vs 27 / sq mi in 2000
US average: 221
35.0
−5%vs 2000
vs 36.9 in 2000
US average: 33.0
Population, 19902024
9K12K14K16K18K1990201020202024Union County
202417K
1990201020202024
Section 02

Income & economy

$22,274
−34%inflation adjusted, since 2000
vs $44,790 in 2000
US average: $30,130
1990 – 2024
$9,997
−59%vs 2000
vs $24,355 in 2000
US average: $14,340
13.0%
+7.5 ptsvs 2000
vs 5.5% in 2000
US average: 13.2%
Section 03

Housing

$37,600
−42%inflation adjusted, since 2000
vs $85,200 in 2000
US average: $93,722
1990 – 2024
$266
−31%inflation adjusted, since 2000
vs $505 in 2000
US average: $450
72.7%
−1.7 ptsvs 2000
vs 74.4% in 2000
27.3% rent
1.7
−11%vs 2000
vs 1.9 in 2000
1990 – 2024
RELATED:See current rent listings in Union County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96%(12,081)
Black0.3%(40)
Hispanic / Latino1.3%(158)
Asian1.3%(167)
Other0%
Diversity Score7.2%(904)
1990
White, non-Hispanic99.1%(10,096)
Black0.1%(10)
Hispanic / Latino0.9%(91)
Asian0.3%(34)
Other0.5%(49)
Diversity Score4.4%(450)
4
−38%vs 2000
vs 7 in 2000
1990 – 2024
Section 05

Education

13.9%
−12.4 ptsvs 2000
vs 26.3% in 2000
US average: 20.3%
High school or higher
74.2%
−12.9 ptsvs 2000
vs 87.2% in 2000
US average: 75.2%
4.8%
−4.0 ptsvs 2000
vs 8.8% in 2000
US average: 7.1%
Section 06

Commute & transportation

27.8 min
+123%vs 2000
vs 12.5 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 Union County, South Dakota?

Union County, South Dakota has about 10,189 residents according to the 1990 Census.

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

The typical household in Union County, South Dakota earns about $22,274 a year. Half of households make more than that, and half make less.

Is Union County, South Dakota expensive?

In Union County, South Dakota, the median home is worth about $37,600, and the typical rent is about $266 a month.

How educated are people in Union County, South Dakota?

About 13.9% of adults age 25 and over in Union County, South Dakota hold a bachelor's degree or higher.

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

About 13.0% of people in Union 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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