COUNTY · 1990 CENSUS

Hamilton County

Iowa · 16,071 residents · 577 sq mi

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The short version

With 16,071 people, Hamilton County is a county in Iowa. The typical home is worth $39,900. The median age is 37.2, about 4 years above the US median. About 13% of adults have finished a four-year degree. Owners hold 71% of the housing stock. Median rent is $295 a month.

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

Total population

16,071

−2%vs 2000

vs 16,438 in 2000

1990 – 2025

Median age

37.2

−5%vs 2000

vs 39.1 in 2000

US average: 33.0

Land area

577 sq mi

Population, 1990 – 2024

202415K

Age distribution, 1990

Under 56.6%(1,062)

US avg: 7.3%

5 to 97.2%(1,155)

US avg: 7.3%

10 to 147.4%(1,188)

US avg: 6.9%

15 to 196.5%(1,039)

US avg: 7.1%

20 to 244.3%(697)

US avg: 7.5%

25 to 3414.9%(2,396)

US avg: 17.5%

35 to 4413.8%(2,220)

US avg: 15.1%

45 to 5410.3%(1,653)

US avg: 10.2%

55 to 6410.5%(1,692)

US avg: 8.5%

65 to 7410%(1,614)

US avg: 7.3%

75 to 846.1%(977)

US avg: 4%

85 and over2.4%(378)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$25,847

−12%inflation adjusted, since 2000

vs $38,658 in 2000

US average: $30,130

1990 – 2024

Per capita income

$11,879

−37%vs 2000

vs $18,801 in 2000

US average: $14,340

Poverty rate

8.2%

+2.0 ptsvs 2000

vs 6.3% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$39,900

−27%inflation adjusted, since 2000

vs $71,900 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$295

−8%inflation adjusted, since 2000

vs $422 in 2000

US average: $450

Owner-occupied

71.0%

−1.8 ptsvs 2000

vs 72.8% in 2000

29.0% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic96.1%(15,792)

Black0.2%(38)

Hispanic / Latino1.4%(234)

Asian1.5%(240)

Other0%

1990

White, non-Hispanic99.1%(15,929)

Black0%(0)

Hispanic / Latino0.8%(122)

Asian0.5%(74)

Other0.4%(68)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin

Mexican7.7%(1,151)

Central American1.3%(194)

Guatemalan0.7%(105)

Puerto Rican0.6%(89)

Salvadoran0.4%(54)

South American0.2%(36)

Panamanian0.2%(35)

Ecuadorian0.1%(19)

Peruvian0.1%(17)

Asian origin

Laotian1.8%(267)

Filipino0.3%(50)

Pakistani0.1%(10)

Chinese0.1%(8)

Japanese0%(3)

Pacific Islander origin

Samoan0.1%(21)

Ancestry

German29.8%(4,433)

Norwegian12.1%(1,794)

English8.2%(1,226)

Irish7.4%(1,102)

Swedish5%(746)

American3.3%(488)

Scottish2.2%(331)

French2%(297)

Dutch1.8%(269)

Danish1.6%(240)

Scotch-Irish0.8%(124)

Italian0.6%(91)

+ 18 more ancestry groups with data

Welsh0.5%(70)

Czech0.4%(53)

Subsaharan African0.3%(38)

Ethiopian0.2%(27)

Polish0.2%(24)

Portuguese0.1%(19)

Arab0.1%(17)

Belgian0.1%(12)

British0.1%(11)

Nigerian0.1%(11)

Swiss0.1%(11)

Austrian0.1%(8)

Greek0%(4)

Russian0%(4)

Lithuanian0%(3)

Ukrainian0%(3)

Finnish0%(1)

Slovak0%(1)

RANKED:Largest German population · Largest Norwegian population · Largest English population · Largest Mexican population · Largest Irish population

Section 05

Education

Bachelor's degree or higher

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%

Graduate degree

2.9%

−1.6 ptsvs 2000

vs 4.5% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

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.

Marital status (2024)

Men 15+

Never married26.9%(1,640)

Married57.2%(3,486)

Widowed5.5%(333)

Divorced10.4%(632)

Women 15+

Never married22.7%(1,335)

Married56.9%(3,343)

Widowed11.5%(676)

Divorced8.8%(519)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

5.7%

−2.5 ptssince 2013

from 8.2% in 2013

US average: 8.4%

Employer-based

54.8%

−4.9 ptssince 2020

from 59.7% in 2020

US average: 54.8%

Direct-purchase

17.7%

+0.5 ptssince 2020

from 17.2% in 2020

US average: 13.8%

Medicare

21.2%

−0.6 ptssince 2020

from 21.8% in 2020

US average: 18.4%

Medicaid

21.4%

+4.0 ptssince 2020

from 17.4% in 2020

US average: 20.9%

VA health care

2.7%

+0.2 ptssince 2020

from 2.5% in 2020

US average: 2.2%

Any private

70.5%

−4.3 ptssince 2020

from 74.8% in 2020

US average: 67.1%

Any public

40.9%

+4.0 ptssince 2020

from 36.9% in 2020

US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024

Gulf War (2001 or later)22.7%(190)

US avg: 26.4%

Gulf War (1990s)25.4%(213)

US avg: 24.3%

Vietnam era39.9%(334)

US avg: 33.1%

Korean War3.7%(31)

US avg: 4.5%

World War II0.2%(2)

US avg: 1%

Share of the 838 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE

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