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CITY · 1990 CENSUS

Union

Iowa · 459 residents · 0.571 sq mi
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The short version

Union has notably lower household income than the US average, with a median household income of $18,942. Population has held roughly steady since 2000. Median home value is $30,200. With a median age of 39.0, the population is older than the US median of 33.0. Households here earn about 28% less than the Iowa median.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 39.0
US median: 33.0
Less educated
15% hold a bachelor's degree
US average: 20%
More affordable
home values down 13%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

459
+7%vs 2000
vs 427 in 2000
1990 – 2025
804 / sq mi
+7%vs 2000
vs 748 / sq mi in 2000
US average: 221
39.0
−4%vs 2000
vs 40.6 in 2000
US average: 33.0
Population, 19902024
3604144675205741990201020202024Union
2024378
1990201020202024
Section 02

Income & economy

$18,942
−28%inflation adjusted, since 2000
vs $34,792 in 2000
US average: $30,130
1990 – 2024
$10,072
−38%vs 2000
vs $16,370 in 2000
US average: $14,340
9.0%
−3.0 ptsvs 2000
vs 12.0% in 2000
US average: 13.2%
Section 03

Housing

$30,200
−13%inflation adjusted, since 2000
vs $45,600 in 2000
US average: $93,722
1990 – 2024
$281
−7%inflation adjusted, since 2000
vs $400 in 2000
US average: $450
76.1%
−4.7 ptsvs 2000
vs 80.9% in 2000
23.9% rent
1.6
+22%vs 2000
vs 1.3 in 2000
1990 – 2024
RELATED:See current rent listings in Union on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.4%(420)
Black0.2%(1)
Hispanic / Latino0.7%(3)
Asian0%(0)
Other0%
Diversity Score2.3%(10)
1990
White, non-Hispanic100%(459)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
Diversity Score0%(0)
0
−100%vs 2000
vs 2 in 2000
1990 – 2024
Section 05

Education

14.6%
Unchangedvs 2000
vs 14.6% in 2000
US average: 20.3%
High school or higher
82.9%
−3.6 ptsvs 2000
vs 86.4% in 2000
US average: 75.2%
1.3%
−2.7 ptsvs 2000
vs 3.9% in 2000
US average: 7.1%
Section 06

Commute & transportation

18.9 min
+18%vs 2000
vs 16.0 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, Iowa?

Union, Iowa has about 459 residents according to the 1990 Census.

What is the median household income in Union, Iowa?

The typical household in Union, Iowa earns about $18,942 a year. Half of households make more than that, and half make less.

Is Union, Iowa expensive?

In Union, Iowa, the median home is worth about $30,200, and the typical rent is about $281 a month.

How educated are people in Union, Iowa?

About 14.6% of adults age 25 and over in Union, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Union, Iowa?

About 9.0% of people in Union, Iowa 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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