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CITY · 2000 CENSUS

Union

Iowa · 427 residents · 0.571 sq mi
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The short version

Union has lower-than-average household income, with a median household income of $34,792. Population has declined 7% since 1990. 15% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has risen by half since 1990, reaching $45,600. With a median age of 40.6, the population is older than the US median of 35.2.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 40.6
US median: 35.2
Less educated
15% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

427
−7%since 1990
from 459 in 1990
1990 – 2025
748 / sq mi
−7%since 1990
from 804 / sq mi in 1990
US average: 242
40.6
+4%since 1990
from 39.0 in 1990
US average: 35.2
Population, 19902024
3604144675205741990201020202024Union
2024378
1990201020202024
Section 02

Income & economy

$34,792
+39%inflation adjusted, since 1990
from $18,942 in 1990
US average: $42,589
1990 – 2024
$16,370
+63%since 1990
from $10,072 in 1990
US average: $21,522
12.0%
+3.0 ptssince 1990
from 9.0% in 1990
US average: 12.4%
Section 03

Housing

$45,600
+15%inflation adjusted, since 1990
from $30,200 in 1990
US average: $120,530
1990 – 2024
$400
+8%inflation adjusted, since 1990
from $281 in 1990
US average: $602
80.9%
+4.7 ptssince 1990
from 76.1% in 1990
19.1% rent
1.3
−18%since 1990
from 1.6 in 1990
1990 – 2024
RELATED:See current rent listings in Union on RentDataNow
Section 04

Race & ethnicity

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

Education

14.6%
Unchangedsince 1990
from 14.6% in 1990
US average: 24.4%
High school or higher
86.4%
+3.6 ptssince 1990
from 82.9% in 1990
US average: 80.3%
3.9%
+2.7 ptssince 1990
from 1.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

16.0 min
−15%since 1990
from 18.9 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, Iowa?

Union, Iowa has about 427 residents according to the 2000 Census.

What is the median household income in Union, Iowa?

The typical household in Union, Iowa earns about $34,792 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 $45,600, and the typical rent is about $400 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 12.0% of people in Union, Iowa live below the federal poverty line.

Has Union, Iowa grown since 1990?

Yes, Union, Iowa has shrunk since 1990. The population has lost about 32 residents, a change of about -7 percent over that period.

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

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