COUNTY · 1990 CENSUS

Boone County

Iowa · 25,186 residents · 570 sq mi

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The short version

Boone County is home to 25,186 people in Iowa. Median home value sits at $40,100. At a median age of 36.6, this is an older place than the country as a whole. 72% of homes are owner-occupied. 14% of adults hold a bachelor's degree or higher. Renters pay $301 a month at the median.

At a glance

Lower income

below the US median

US median: $30,130

Older

median age 36.6

US median: 33.0

Less educated

14% hold a bachelor's degree

US average: 20%

More affordable

home values down 31%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

25,186

−4%vs 2000

vs 26,224 in 2000

1990 – 2025

Median age

36.6

−5%vs 2000

vs 38.6 in 2000

US average: 33.0

Land area

570 sq mi

Population, 1990 – 2024

202427K

Age distribution, 1990

Under 56.6%(1,664)

US avg: 7.3%

5 to 97.6%(1,915)

US avg: 7.3%

10 to 146.7%(1,699)

US avg: 6.9%

15 to 196%(1,511)

US avg: 7.1%

20 to 245.2%(1,322)

US avg: 7.5%

25 to 3415.1%(3,808)

US avg: 17.5%

35 to 4415.1%(3,802)

US avg: 15.1%

45 to 5410%(2,524)

US avg: 10.2%

55 to 649.6%(2,410)

US avg: 8.5%

65 to 748.9%(2,236)

US avg: 7.3%

75 to 846.4%(1,605)

US avg: 4%

85 and over2.7%(690)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$26,110

−16%inflation adjusted, since 2000

vs $40,763 in 2000

US average: $30,130

1990 – 2024

Per capita income

$12,031

−40%vs 2000

vs $19,943 in 2000

US average: $14,340

Poverty rate

8.8%

+1.2 ptsvs 2000

vs 7.6% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$40,100

−31%inflation adjusted, since 2000

vs $77,100 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$301

−10%inflation adjusted, since 2000

vs $443 in 2000

US average: $450

Owner-occupied

71.9%

−3.9 ptsvs 2000

vs 75.8% in 2000

28.1% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic98.1%(25,729)

Black0.3%(79)

Hispanic / Latino0.8%(218)

Asian0.2%(57)

Other0%

1990

White, non-Hispanic99.3%(25,006)

Black0.2%(41)

Hispanic / Latino0.3%(76)

Asian0.5%(115)

Other0.1%(24)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin

Mexican2.6%(686)

Central American0.2%(41)

Salvadoran0.1%(35)

Puerto Rican0.1%(19)

Dominican0.1%(19)

South American0%(7)

Colombian0%(7)

Panamanian0%(6)

Asian origin

Vietnamese0.1%(23)

Laotian0%(12)

Filipino0%(9)

Chinese0%(8)

Ancestry

German34.6%(9,235)

English12.6%(3,354)

Irish12.5%(3,346)

Norwegian8.9%(2,374)

Swedish4.8%(1,276)

American4.5%(1,190)

Dutch2.5%(658)

Scottish2.2%(579)

Danish2.2%(574)

Italian1.8%(484)

French1.5%(405)

Czech1%(273)

+ 28 more ancestry groups with data

Welsh0.7%(181)

Scotch-Irish0.6%(165)

Subsaharan African0.6%(150)

Polish0.5%(123)

British0.2%(66)

Russian0.2%(53)

Swiss0.2%(46)

Belgian0.2%(42)

Romanian0.1%(39)

Portuguese0.1%(35)

Arab0.1%(33)

Croatian0.1%(33)

French Canadian0.1%(30)

Bulgarian0.1%(28)

Finnish0.1%(27)

Egyptian0.1%(23)

Nigerian0.1%(22)

Canadian0.1%(20)

Slovak0.1%(16)

West Indian0.1%(16)

Latvian0%(12)

Jamaican0%(12)

Lebanese0%(10)

Austrian0%(6)

Australian0%(5)

Ukrainian0%(4)

Hungarian0%(3)

Lithuanian0%(2)

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

Section 05

Education

Bachelor's degree or higher

13.7%

−5.1 ptsvs 2000

vs 18.8% in 2000

US average: 20.3%

High school or higher

80.8%

−8.2 ptsvs 2000

vs 89.0% in 2000

US average: 75.2%

Graduate degree

3.4%

−1.5 ptsvs 2000

vs 4.9% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

23.0 min

+58%vs 2000

vs 14.5 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 married31.8%(3,604)

Married54.2%(6,146)

Widowed3.3%(375)

Divorced10.7%(1,218)

Women 15+

Never married20.8%(2,268)

Married57.1%(6,228)

Widowed10.6%(1,156)

Divorced11.5%(1,249)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

3.3%

−5.6 ptssince 2013

from 8.9% in 2013

US average: 8.4%

Employer-based

66.7%

+3.5 ptssince 2020

from 63.2% in 2020

US average: 54.8%

Direct-purchase

15.8%

−1.4 ptssince 2020

from 17.2% in 2020

US average: 13.8%

Medicare

20.0%

+1.1 ptssince 2020

from 18.9% in 2020

US average: 18.4%

Medicaid

15.7%

−0.7 ptssince 2020

from 16.4% in 2020

US average: 20.9%

VA health care

1.8%

−0.4 ptssince 2020

from 2.2% in 2020

US average: 2.2%

Any private

80.1%

+1.9 ptssince 2020

from 78.2% in 2020

US average: 67.1%

Any public

33.8%

+0.3 ptssince 2020

from 33.5% 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)15.2%(185)

US avg: 26.4%

Gulf War (1990s)19.5%(237)

US avg: 24.3%

Vietnam era35.2%(429)

US avg: 33.1%

Korean War2.9%(35)

US avg: 4.5%

World War II2.7%(33)

US avg: 1%

Share of the 1,218 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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