COUNTY · 1990 CENSUS

Warren County

Iowa · 36,033 residents · 570 sq mi

Time machine

VIEWING

COMPARE TO

The short version

Warren County is a county of 36,033 people in Iowa. Owners hold 77% of the housing stock. Households here earn about 24% more than in Iowa as a whole. Median home value sits at $59,400. Poverty is uncommon here, at 6.3% of residents. 16% of adults hold a bachelor's degree or higher.

At a glance

Wealthier

above the US median

US median: $30,130

Mid-age

median age 32.8

US median: 33.0

Less educated

16% hold a bachelor's degree

US average: 20%

More affordable

home values down 24%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

36,033

−11%vs 2000

vs 40,671 in 2000

1990 – 2025

Median age

32.8

−9%vs 2000

vs 36.0 in 2000

US average: 33.0

Land area

570 sq mi

Population, 1990 – 2024

202454K

Age distribution, 1990

Under 57.2%(2,596)

US avg: 7.3%

5 to 98.7%(3,122)

US avg: 7.3%

10 to 147.7%(2,786)

US avg: 6.9%

15 to 198.1%(2,934)

US avg: 7.1%

20 to 246.7%(2,432)

US avg: 7.5%

25 to 3415.1%(5,426)

US avg: 17.5%

35 to 4415.9%(5,726)

US avg: 15.1%

45 to 5411.6%(4,193)

US avg: 10.2%

55 to 648%(2,873)

US avg: 8.5%

65 to 746.1%(2,216)

US avg: 7.3%

75 to 843.2%(1,169)

US avg: 4%

85 and over1.6%(560)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$32,452

−15%inflation adjusted, since 2000

vs $50,349 in 2000

US average: $30,130

1990 – 2024

Per capita income

$12,732

−38%vs 2000

vs $20,558 in 2000

US average: $14,340

Poverty rate

6.3%

+1.2 ptsvs 2000

vs 5.1% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$59,400

−24%inflation adjusted, since 2000

vs $102,600 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$348

−7%inflation adjusted, since 2000

vs $494 in 2000

US average: $450

Owner-occupied

76.8%

−3.1 ptsvs 2000

vs 79.9% in 2000

23.2% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic97.5%(39,635)

Black0.3%(106)

Hispanic / Latino1.1%(441)

Asian0.4%(155)

Other0%

1990

White, non-Hispanic99.2%(35,735)

Black0.1%(44)

Hispanic / Latino0.7%(249)

Asian0.4%(137)

Other0.3%(117)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin

Mexican2.4%(1,281)

Central American0.5%(261)

Puerto Rican0.4%(219)

Guatemalan0.3%(188)

South American0.1%(66)

Honduran0.1%(41)

Argentine0.1%(32)

Colombian0%(17)

Venezuelan0%(17)

Panamanian0%(16)

Salvadoran0%(16)

Spaniard0%(12)

+ 1 more hispanic origin group with data

Dominican0%(4)

Asian origin

Asian Indian0.2%(115)

Vietnamese0.2%(108)

Korean0.1%(46)

Filipino0.1%(40)

Chinese0%(18)

Burmese0%(5)

Nepalese0%(5)

Pacific Islander origin

Native Hawaiian0%(20)

Chamorro0%(7)

Guamanian0%(2)

Ancestry

German29.9%(16,243)

Irish15.8%(8,619)

English14.7%(8,008)

American4.9%(2,646)

Dutch3.9%(2,101)

Norwegian3.8%(2,051)

Italian3.4%(1,866)

Swedish2%(1,112)

French2%(1,078)

Scottish1.7%(924)

Danish1.4%(777)

Czech0.9%(506)

+ 31 more ancestry groups with data

Polish0.9%(486)

Scotch-Irish0.8%(458)

Welsh0.8%(434)

Subsaharan African0.3%(190)

British0.3%(159)

Nigerian0.3%(155)

Swiss0.2%(133)

Russian0.2%(117)

Finnish0.2%(86)

Canadian0.1%(76)

Belgian0.1%(75)

Arab0.1%(71)

Lebanese0.1%(61)

French Canadian0.1%(61)

Portuguese0.1%(45)

Ukrainian0.1%(29)

West Indian0.1%(28)

Romanian0%(25)

Jamaican0%(24)

Hungarian0%(22)

Austrian0%(19)

Croatian0%(19)

Slovak0%(17)

Greek0%(15)

Latvian0%(14)

Turkish0%(13)

Armenian0%(8)

Ethiopian0%(4)

Haitian0%(4)

Lithuanian0%(3)

Serbian0%(2)

RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Dutch population

Section 05

Education

Bachelor's degree or higher

16.2%

−5.1 ptsvs 2000

vs 21.2% in 2000

US average: 20.3%

High school or higher

87.0%

−3.0 ptsvs 2000

vs 90.0% in 2000

US average: 75.2%

Graduate degree

4.4%

−1.6 ptsvs 2000

vs 6.1% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

26.5 min

+56%vs 2000

vs 17.0 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.

Marital status (2024)

Men 15+

Never married29.7%(6,361)

Married58.1%(12,459)

Widowed3%(637)

Divorced9.3%(1,987)

Women 15+

Never married25.8%(5,700)

Married54.6%(12,049)

Widowed8.6%(1,888)

Divorced11.1%(2,443)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

2.0%

−3.5 ptssince 2013

from 5.5% in 2013

US average: 8.4%

Employer-based

68.9%

−0.1 ptssince 2020

from 69.0% in 2020

US average: 54.8%

Direct-purchase

14.2%

−1.5 ptssince 2020

from 15.7% in 2020

US average: 13.8%

Medicare

17.1%

+0.9 ptssince 2020

from 16.2% in 2020

US average: 18.4%

Medicaid

14.1%

−0.4 ptssince 2020

from 14.5% in 2020

US average: 20.9%

VA health care

2.6%

Unchangedsince 2020

from 2.6% in 2020

US average: 2.2%

Any private

80.8%

−2.2 ptssince 2020

from 83.0% in 2020

US average: 67.1%

Any public

30.3%

+0.8 ptssince 2020

from 29.5% 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)26.8%(731)

US avg: 26.4%

Gulf War (1990s)21.9%(598)

US avg: 24.3%

Vietnam era27.4%(747)

US avg: 33.1%

Korean War6.6%(181)

US avg: 4.5%

World War II2.2%(61)

US avg: 1%

Share of the 2,728 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

Drill deeper