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COUNTY · 2000 CENSUS

Hamilton County

Iowa · 16,438 residents · 576.731 sq mi
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The short version

Hamilton County has roughly average household income, with a median household income of $38,658. Population has held roughly steady since 1990. Median home value has more than doubled since 1990, reaching $71,900.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 39.1
US median: 35.2
Less educated
18% hold a bachelor's degree
US average: 24%
Less affordable
home values up 37%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

16,438
+2%since 1990
from 16,071 in 1990
1990 – 2025
29 / sq mi
+2%since 1990
from 28 / sq mi in 1990
US average: 242
39.1
+5%since 1990
from 37.2 in 1990
US average: 35.2
Population, 19902024
15K15K16K16K17K1990201020202024Hamilton County
202415K
1990201020202024
Section 02

Income & economy

$38,658
+14%inflation adjusted, since 1990
from $25,847 in 1990
US average: $42,589
1990 – 2024
$18,801
+58%since 1990
from $11,879 in 1990
US average: $21,522
6.3%
−2.0 ptssince 1990
from 8.2% in 1990
US average: 12.4%
Section 03

Housing

$71,900
+37%inflation adjusted, since 1990
from $39,900 in 1990
US average: $120,530
1990 – 2024
$422
+9%inflation adjusted, since 1990
from $295 in 1990
US average: $602
72.8%
+1.8 ptssince 1990
from 71.0% in 1990
27.2% rent
1.9
+20%since 1990
from 1.5 in 1990
1990 – 2024
RELATED:See current rent listings in Hamilton County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.1%(15,929)
Black0%(0)
Hispanic / Latino0.8%(122)
Asian0.5%(74)
Diversity Score4%(648)
2000
White, non-Hispanic96.1%(15,792)
Black0.2%(38)
Hispanic / Latino1.4%(234)
Asian1.5%(240)
Diversity Score7.7%(1,261)
8
+90%since 1990
from 4 in 1990
1990 – 2024
Section 05

Education

17.5%
+4.8 ptssince 1990
from 12.8% in 1990
US average: 24.4%
High school or higher
87.3%
+7.8 ptssince 1990
from 79.5% in 1990
US average: 80.3%
4.5%
+1.6 ptssince 1990
from 2.9% in 1990
US average: 8.8%
Section 06

Commute & transportation

11.7 min
−46%since 1990
from 21.8 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 Hamilton County, Iowa?

Hamilton County, Iowa has about 16,438 residents according to the 2000 Census.

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

The typical household in Hamilton County, Iowa earns about $38,658 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 $71,900, and the typical rent is about $422 a month.

How educated are people in Hamilton County, Iowa?

About 17.5% 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 6.3% of people in Hamilton County, Iowa live below the federal poverty line.

Has Hamilton County, Iowa grown since 1990?

Yes, Hamilton County, Iowa has grown since 1990. The population has added about 367 residents, a change of about 2 percent over that period.

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

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