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COUNTY · 2010 ACS

Union County

South Dakota · 14,399 residents · 460.757 sq mi
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The short version

Union County is wealthier than most US places, with a median household income of $59,889. Population has held roughly steady since 2000. Median home value has risen by half since 2000, reaching $132,200. Poverty is rare here, at 4.9% of residents. Households here earn about 29% more than the South Dakota median.

At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 40.2
US median: 37.2
Average education
29% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
14,399
+14%since 2000
from 12,584 in 2000
1990 – 2025
Population density
31 / sq mi
+14%since 2000
from 27 / sq mi in 2000
US average: 261
Median age
40.2
+9%since 2000
from 36.9 in 2000
US average: 37.2
Population, 1990 – 2024
9K12K14K16K18K1990201020202024Union County
202417K
1990201020202024
Section 02

Income & economy

Median household income
$59,889
+6%inflation adjusted, since 2000
from $44,790 in 2000
US average: $52,703
1990 – 2024
Per capita income
$33,783
+39%since 2000
from $24,355 in 2000
US average: $27,286
Households earning $100K+
36.2%
+2.8 ptssince 2009
from 33.3% in 2009
US average: 33.3%
Poverty rate
4.9%
−0.6 ptssince 2000
from 5.5% in 2000
US average: 13.8%
Income inequality (Gini)
0.469
US average: 0.461
Workforce by industry, 2010
Retail trade18.9%
US avg: 10.9%
Information10.6%
US avg: 11.5%
Other services7.7%
US avg: 7%
Public administration6.5%
US avg: 4.9%
Finance & insurance6.2%
US avg: 5.1%
Agriculture, forestry, fishing5.5%
US avg: 1.9%
Construction5.3%
US avg: 1.4%
Professional, scientific, technical4.8%
US avg: 4.2%
Transportation & warehousing4.2%
US avg: 3.1%
Wholesale trade3.8%
US avg: 7.2%
Education & health services1.4%
US avg: 0.9%
Arts, entertainment, food1.2%
US avg: 2.4%
Manufacturing0.2%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$132,200
+23%inflation adjusted, since 2000
from $85,200 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$671
+5%inflation adjusted, since 2000
from $505 in 2000
US average: $853
Owner-occupied
49.2%
−25.2 ptssince 2000
from 74.4% in 2000
25.6% rent
Vacancy rate
6.1%
+0.1 ptssince 2009
from 6.0% in 2009
US average: 12.1%
Owner cost-burdened
15.2%
−0.2 ptssince 2009
from 15.4% in 2009
US average: 30.9%
Renter cost-burdened
24.9%
+0.9 ptssince 2009
from 24.0% in 2009
US average: 46.8%
Afford Score
2.2
+16%since 2000
from 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)
2010
White, non-Hispanic94.5%(13,608)
Black0.6%(89)
Hispanic / Latino2.1%(305)
Asian0.9%(127)
Other1.4%(206)
Diversity Score12.3%(1,766)
Diversity Score
12
+71%since 2000
from 7 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
29.1%
+2.8 ptssince 2000
from 26.3% in 2000
US average: 27.9%
High school or higher
92.3%
+5.1 ptssince 2000
from 87.2% in 2000
US average: 84.9%
Graduate degree
9.8%
+1.1 ptssince 2000
from 8.8% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
17.5 min
+41%since 2000
from 12.5 min in 2000
US average: 25.2
Drive alone to work
84.6%
+0.2 ptssince 2009
from 84.3% in 2009
US average: 76.2%
Carpooled to work
7.6%
−0.6 ptssince 2009
from 8.2% in 2009
US average: 10.4%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.7%
Worked from home
5.1%
+0.7 ptssince 2009
from 4.4% in 2009
US average: 4.1%
Walked to work
1.3%
−0.3 ptssince 2009
from 1.6% in 2009
US average: 2.8%
Biked to work
0.3%
−0.2 ptssince 2009
from 0.4% in 2009
US average: 0.5%
No vehicle available
3.7%
+0.6 ptssince 2009
from 3.1% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
11.0%
+1.0 ptssince 2009
from 10.1% in 2009
US average: 12.9%
Management & professional
35.4%
−26.9 ptssince 2009
from 62.2% in 2009
US average: 35.2%
Section 08

People & community

Male
51.1%
+0.1 ptssince 2009
from 51.0% in 2009
Female
48.9%
−0.1 ptssince 2009
from 49.0% in 2009
Foreign born
1.9%
−0.7 ptssince 2009
from 2.6% in 2009
US average: 12.8%
Veterans
13.7%
−36.5 ptssince 2009
from 50.2% in 2009
US average: 9.9%
Drill deeper

Places similar to Union County

Grand County
Pop 16,496
Gunnison County
Pop 17,439
Pike County
Pop 20,932
Greene County
Pop 21,367
Places similar to Union County
Head to head

Compare Union County to nearby counties

UNION COUNTY VS
Clay County
Income$56,850−5%
Home value$232,300+76%
Population15,031−14%
SEE FULL COMPARISON →
UNION COUNTY VS
Plymouth County
Income$83,251+39%
Home value$228,900+73%
Population25,697+48%
SEE FULL COMPARISON →
UNION COUNTY VS
Dixon County
Income$72,454+21%
Home value$155,900+18%
Population5,602−68%
SEE FULL COMPARISON →
UNION COUNTY VS
Sioux County
Income$86,098+44%
Home value$250,100+89%
Population36,774+111%
SEE FULL COMPARISON →
Frequently asked

How many people live in Union County, South Dakota?

Union County, South Dakota has about 14,399 residents according to the 2010 American Community Survey.

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

The typical household in Union County, South Dakota earns about $59,889 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 $132,200, and the typical rent is about $671 a month.

How educated are people in Union County, South Dakota?

About 29.1% 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 4.9% 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 4,210 residents, a change of about 41 percent over that period.

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Explore from here

4 census tracts
Census Tract 203.01Census Tract 203.02Census Tract 201Census Tract 202
4 ZIP codes
ZIP 57049ZIP 57025ZIP 57038ZIP 57001
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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