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COUNTY · 1990 CENSUS

Hamilton County

Iowa · 16,071 residents · 576.731 sq mi
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The short version

Hamilton County has lower-than-average household income, with a median household income of $25,847. Population has held roughly steady since 2000. 13% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $39,900.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 37.2
US median: 33.0
Less educated
13% hold a bachelor's degree
US average: 20%
More affordable
home values down 27%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

16,071
−2%vs 2000
vs 16,438 in 2000
1990 – 2025
28 / sq mi
−2%vs 2000
vs 29 / sq mi in 2000
US average: 221
37.2
−5%vs 2000
vs 39.1 in 2000
US average: 33.0
Population, 19902024
15K15K16K16K17K1990201020202024Hamilton County
202415K
1990201020202024
Section 02

Income & economy

$25,847
−12%inflation adjusted, since 2000
vs $38,658 in 2000
US average: $30,130
1990 – 2024
$11,879
−37%vs 2000
vs $18,801 in 2000
US average: $14,340
8.2%
+2.0 ptsvs 2000
vs 6.3% in 2000
US average: 13.2%
Section 03

Housing

$39,900
−27%inflation adjusted, since 2000
vs $71,900 in 2000
US average: $93,722
1990 – 2024
$295
−8%inflation adjusted, since 2000
vs $422 in 2000
US average: $450
71.0%
−1.8 ptsvs 2000
vs 72.8% in 2000
29.0% rent
1.5
−17%vs 2000
vs 1.9 in 2000
1990 – 2024
RELATED:See current rent listings in Hamilton County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96.1%(15,792)
Black0.2%(38)
Hispanic / Latino1.4%(234)
Asian1.5%(240)
Other0%
Diversity Score7.7%(1,261)
1990
White, non-Hispanic99.1%(15,929)
Black0%(0)
Hispanic / Latino0.8%(122)
Asian0.5%(74)
Other0.4%(68)
Diversity Score4%(648)
4
−47%vs 2000
vs 8 in 2000
1990 – 2024
Section 05

Education

12.8%
−4.8 ptsvs 2000
vs 17.5% in 2000
US average: 20.3%
High school or higher
79.5%
−7.8 ptsvs 2000
vs 87.3% in 2000
US average: 75.2%
2.9%
−1.6 ptsvs 2000
vs 4.5% in 2000
US average: 7.1%
Section 06

Commute & transportation

21.8 min
+86%vs 2000
vs 11.7 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 Hamilton County, Iowa?

Hamilton County, Iowa has about 16,071 residents according to the 1990 Census.

What is the median household income in Hamilton County, Iowa?

The typical household in Hamilton County, Iowa earns about $25,847 a year. Half of households make more than that, and half make less.

Is Hamilton County, Iowa expensive?

In Hamilton County, Iowa, the median home is worth about $39,900, and the typical rent is about $295 a month.

How educated are people in Hamilton County, Iowa?

About 12.8% of adults age 25 and over in Hamilton County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Hamilton County, Iowa?

About 8.2% of people in Hamilton County, 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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