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COUNTY · 2000 CENSUS

Union County

South Dakota · 12,584 residents · 460.757 sq mi
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The short version

Union County has roughly average household income, with a median household income of $44,790. Population has grown 24% since 1990. Median home value has more than doubled since 1990, reaching $85,200. Poverty is rare here, at 5.5% of residents. Households here earn about 27% more than the South Dakota median.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 36.9
US median: 35.2
Average education
26% hold a bachelor's degree
US average: 24%
Less affordable
home values up 72%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

12,584
+24%since 1990
from 10,189 in 1990
1990 – 2025
27 / sq mi
+24%since 1990
from 22 / sq mi in 1990
US average: 242
36.9
+5%since 1990
from 35.0 in 1990
US average: 35.2
Population, 19902024
9K12K14K16K18K1990201020202024Union County
202417K
1990201020202024
Section 02

Income & economy

$44,790
+53%inflation adjusted, since 1990
from $22,274 in 1990
US average: $42,589
1990 – 2024
$24,355
+144%since 1990
from $9,997 in 1990
US average: $21,522
5.5%
−7.5 ptssince 1990
from 13.0% in 1990
US average: 12.4%
Section 03

Housing

$85,200
+72%inflation adjusted, since 1990
from $37,600 in 1990
US average: $120,530
1990 – 2024
$505
+44%inflation adjusted, since 1990
from $266 in 1990
US average: $602
74.4%
+1.7 ptssince 1990
from 72.7% in 1990
25.6% rent
1.9
+13%since 1990
from 1.7 in 1990
1990 – 2024
RELATED:See current rent listings in Union County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.1%(10,096)
Black0.1%(10)
Hispanic / Latino0.9%(91)
Asian0.3%(34)
Diversity Score4.4%(450)
2000
White, non-Hispanic96%(12,081)
Black0.3%(40)
Hispanic / Latino1.3%(158)
Asian1.3%(167)
Diversity Score7.2%(904)
7
+62%since 1990
from 4 in 1990
1990 – 2024
Section 05

Education

26.3%
+12.4 ptssince 1990
from 13.9% in 1990
US average: 24.4%
High school or higher
87.2%
+12.9 ptssince 1990
from 74.2% in 1990
US average: 80.3%
8.8%
+4.0 ptssince 1990
from 4.8% in 1990
US average: 8.8%
Section 06

Commute & transportation

12.5 min
−55%since 1990
from 27.8 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 Union County, South Dakota?

Union County, South Dakota has about 12,584 residents according to the 2000 Census.

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

The typical household in Union County, South Dakota earns about $44,790 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 $85,200, and the typical rent is about $505 a month.

How educated are people in Union County, South Dakota?

About 26.3% 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 5.5% of people in Union County, South Dakota live below the federal poverty line.

Has Union County, South Dakota grown since 1990?

Yes, Union County, South Dakota has grown since 1990. The population has added about 2,395 residents, a change of about 24 percent over that period.

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

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