COUNTY · 1990 CENSUS

Johnson County

Iowa · 96,119 residents · 613 sq mi

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Johnson County is a county of 96,119 people in Iowa. 44% of adults hold a bachelor's degree, against 20% nationally. The median age is 27.3, younger than the US median of 33.0. 53% of homes are owner-occupied. There are 14,887 fewer people here than in 2000. 17.1% of locals live below the federal poverty line.

At a glance

Lower income

below the US median

US median: $30,130

Younger

median age 27.3

US median: 33.0

More educated

44% hold a bachelor's degree

US average: 20%

More affordable

home values down 18%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

96,119

−13%vs 2000

vs 111,006 in 2000

1990 – 2025

Median age

27.3

−4%vs 2000

vs 28.4 in 2000

US average: 33.0

Land area

613 sq mi

Population, 1990 – 2024

2024157K

Age distribution, 1990

Under 56.4%(6,186)

US avg: 7.3%

5 to 96.2%(5,942)

US avg: 7.3%

10 to 144.8%(4,626)

US avg: 6.9%

15 to 199%(8,620)

US avg: 7.1%

20 to 2418.4%(17,692)

US avg: 7.5%

25 to 3420.5%(19,679)

US avg: 17.5%

35 to 4414.8%(14,228)

US avg: 15.1%

45 to 547.1%(6,861)

US avg: 10.2%

55 to 645.3%(5,122)

US avg: 8.5%

65 to 744.1%(3,935)

US avg: 7.3%

75 to 842.5%(2,362)

US avg: 4%

85 and over0.9%(866)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$27,862

−8%inflation adjusted, since 2000

vs $40,060 in 2000

US average: $30,130

1990 – 2024

Per capita income

$14,113

−36%vs 2000

vs $22,220 in 2000

US average: $14,340

Poverty rate

17.1%

+2.1 ptsvs 2000

vs 15.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$76,600

−18%inflation adjusted, since 2000

vs $123,700 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$412

−4%inflation adjusted, since 2000

vs $564 in 2000

US average: $450

Owner-occupied

52.7%

−4.0 ptsvs 2000

vs 56.6% in 2000

47.3% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic88.8%(98,619)

Black2.8%(3,148)

Hispanic / Latino2.5%(2,781)

Asian4.1%(4,557)

Other0%

1990

White, non-Hispanic93.5%(89,835)

Black2.1%(2,010)

Hispanic / Latino1.2%(1,186)

Asian3.9%(3,731)

Other0.6%(543)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin

Mexican3.9%(6,166)

Central American0.9%(1,394)

South American0.7%(1,086)

Puerto Rican0.5%(795)

Colombian0.4%(697)

Honduran0.3%(440)

Salvadoran0.3%(422)

Guatemalan0.2%(341)

Spaniard0.1%(159)

Ecuadorian0.1%(112)

Panamanian0.1%(107)

Cuban0.1%(89)

+ 7 more hispanic origin groups with data

Venezuelan0.1%(88)

Nicaraguan0.1%(84)

Chilean0%(71)

Dominican0%(70)

Bolivian0%(43)

Peruvian0%(41)

Argentine0%(34)

Asian origin

Chinese1.6%(2,526)

Asian Indian1.2%(1,909)

Vietnamese0.7%(1,059)

Korean0.7%(1,053)

Filipino0.3%(516)

Laotian0.1%(179)

Taiwanese0.1%(172)

Japanese0.1%(158)

Nepalese0.1%(157)

Hmong0.1%(132)

Uzbek0.1%(79)

Indonesian0%(77)

+ 7 more asian origin groups with data

Singaporean0%(68)

Thai0%(68)

Bangladeshi0%(50)

Sri Lankan0%(47)

Cambodian0%(31)

Pakistani0%(30)

Burmese0%(12)

Pacific Islander origin

Native Hawaiian0%(39)

Tongan0%(11)

Chamorro0%(6)

Samoan0%(1)

Ancestry

German28%(43,919)

Irish14.5%(22,790)

English11.8%(18,463)

Norwegian3.8%(5,929)

Subsaharan African3.7%(5,852)

Italian3.1%(4,885)

American2.9%(4,491)

Czech2.6%(4,087)

Swedish2.6%(4,043)

Polish2.2%(3,453)

Dutch1.8%(2,870)

Scottish1.7%(2,681)

+ 46 more ancestry groups with data

French1.2%(1,924)

Danish1.1%(1,792)

Arab1%(1,614)

Scotch-Irish0.7%(1,151)

Welsh0.7%(1,139)

Swiss0.6%(928)

British0.4%(619)

Russian0.4%(609)

French Canadian0.4%(603)

Greek0.3%(484)

Belgian0.3%(396)

Hungarian0.2%(386)

Lithuanian0.2%(384)

Kenyan0.2%(358)

Palestinian0.2%(332)

Jordanian0.2%(324)

Lebanese0.2%(292)

West Indian0.2%(292)

Ukrainian0.2%(271)

Iranian0.2%(249)

Ghanaian0.2%(242)

Nigerian0.2%(239)

Slovak0.1%(218)

Austrian0.1%(209)

Croatian0.1%(189)

Egyptian0.1%(161)

Finnish0.1%(155)

Brazilian0.1%(150)

Serbian0.1%(138)

Jamaican0.1%(107)

Romanian0.1%(98)

Trinidadian & Tobagonian0.1%(96)

Israeli0%(77)

Portuguese0%(74)

Canadian0%(65)

Syrian0%(57)

Somali0%(53)

Turkish0%(52)

Haitian0%(52)

Iraqi0%(49)

Latvian0%(45)

Armenian0%(41)

Slovene0%(35)

Australian0%(27)

Guyanese0%(27)

Ethiopian0%(11)

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

Section 05

Education

Bachelor's degree or higher

44.0%

−3.6 ptsvs 2000

vs 47.6% in 2000

US average: 20.3%

High school or higher

90.6%

−3.1 ptsvs 2000

vs 93.7% in 2000

US average: 75.2%

Graduate degree

20.0%

−1.5 ptsvs 2000

vs 21.4% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

17.7 min

+61%vs 2000

vs 11.0 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 married47.9%(31,002)

Married45.3%(29,307)

Widowed1.9%(1,208)

Divorced5%(3,231)

Women 15+

Never married43.3%(28,907)

Married42.4%(28,306)

Widowed4.9%(3,300)

Divorced9.3%(6,186)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

4.7%

−2.9 ptssince 2013

from 7.6% in 2013

US average: 8.4%

Employer-based

66.1%

−1.3 ptssince 2020

from 67.4% in 2020

US average: 54.8%

Direct-purchase

18.3%

+0.6 ptssince 2020

from 17.7% in 2020

US average: 13.8%

Medicare

13.5%

+1.4 ptssince 2020

from 12.1% in 2020

US average: 18.4%

Medicaid

13.7%

+0.9 ptssince 2020

from 12.8% in 2020

US average: 20.9%

VA health care

1.4%

Unchangedsince 2020

from 1.4% in 2020

US average: 2.2%

Any private

80.5%

−1.2 ptssince 2020

from 81.7% in 2020

US average: 67.1%

Any public

26.3%

+2.0 ptssince 2020

from 24.3% 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)29.8%(1,465)

US avg: 26.4%

Gulf War (1990s)21.5%(1,060)

US avg: 24.3%

Vietnam era32.3%(1,592)

US avg: 33.1%

Korean War5.6%(274)

US avg: 4.5%

World War II2.2%(110)

US avg: 1%

Share of the 4,922 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.

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