COUNTY · 1990 CENSUS

Boone County

Illinois · 30,806 residents · 281 sq mi

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Boone County is home to 30,806 people in Illinois. There are 10,980 fewer people here than in 2000. 12% of adults hold a bachelor's degree or higher. Owners hold 72% of the housing stock. Poverty is uncommon here, at 7.2% of locals. Median home value sits at $67,700.

At a glance

Wealthier

above the US median

US median: $30,130

Mid-age

median age 33.2

US median: 33.0

Less educated

12% hold a bachelor's degree

US average: 20%

More affordable

home values down 26%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

30,806

−26%vs 2000

vs 41,786 in 2000

1990 – 2025

Median age

33.2

−4%vs 2000

vs 34.5 in 2000

US average: 33.0

Land area

281 sq mi

Population, 1990 – 2024

202453K

Age distribution, 1990

Under 57.4%(2,290)

US avg: 7.3%

5 to 98.1%(2,482)

US avg: 7.3%

10 to 147.8%(2,405)

US avg: 6.9%

15 to 197.7%(2,383)

US avg: 7.1%

20 to 246.4%(1,974)

US avg: 7.5%

25 to 3415.4%(4,755)

US avg: 17.5%

35 to 4415.6%(4,799)

US avg: 15.1%

45 to 5411.7%(3,590)

US avg: 10.2%

55 to 648.3%(2,544)

US avg: 8.5%

65 to 746.6%(2,033)

US avg: 7.3%

75 to 843.8%(1,174)

US avg: 4%

85 and over1.2%(377)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$35,103

−12%inflation adjusted, since 2000

vs $52,397 in 2000

US average: $30,130

1990 – 2024

Per capita income

$14,355

−34%vs 2000

vs $21,590 in 2000

US average: $14,340

Poverty rate

7.2%

+0.2 ptsvs 2000

vs 7.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$67,700

−26%inflation adjusted, since 2000

vs $120,900 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$378

−6%inflation adjusted, since 2000

vs $531 in 2000

US average: $450

Owner-occupied

72.3%

−6.3 ptsvs 2000

vs 78.6% in 2000

27.7% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic85%(35,536)

Black0.8%(352)

Hispanic / Latino12.5%(5,219)

Asian0.5%(203)

Other0%

1990

White, non-Hispanic95%(29,273)

Black0.6%(175)

Hispanic / Latino6.4%(1,970)

Asian0.5%(157)

Other3.9%(1,201)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin

Mexican22.8%(12,111)

Puerto Rican1.6%(848)

Spaniard0.3%(185)

South American0.3%(167)

Peruvian0.3%(136)

Central American0.2%(86)

Cuban0.1%(77)

Guatemalan0.1%(66)

Bolivian0%(26)

Honduran0%(17)

Argentine0%(5)

Salvadoran0%(3)

Asian origin

Filipino0.4%(229)

Korean0.1%(57)

Pakistani0.1%(49)

Laotian0.1%(41)

Asian Indian0.1%(29)

Chinese0%(16)

Taiwanese0%(10)

Pacific Islander origin

Native Hawaiian0%(2)

Ancestry

German23.7%(12,610)

Irish12.6%(6,733)

Italian8.8%(4,697)

English8.3%(4,438)

Polish6.5%(3,447)

Swedish5.2%(2,752)

Norwegian3.2%(1,725)

American2.8%(1,502)

Scottish1.5%(820)

French0.9%(456)

Dutch0.8%(412)

Arab0.7%(366)

+ 31 more ancestry groups with data

Welsh0.7%(360)

Greek0.7%(349)

Czech0.6%(339)

Russian0.6%(296)

Palestinian0.5%(278)

Danish0.4%(216)

Scotch-Irish0.3%(157)

British0.3%(152)

Swiss0.3%(139)

Ukrainian0.3%(137)

French Canadian0.2%(103)

Austrian0.2%(100)

Canadian0.2%(84)

Lithuanian0.1%(76)

Portuguese0.1%(74)

Syrian0.1%(71)

Finnish0.1%(61)

Armenian0.1%(51)

Subsaharan African0.1%(50)

Hungarian0.1%(47)

Croatian0.1%(42)

Belgian0.1%(37)

Romanian0.1%(36)

Slovak0.1%(34)

Jordanian0.1%(32)

Lebanese0.1%(29)

Turkish0.1%(27)

West Indian0%(24)

Haitian0%(24)

Ghanaian0%(22)

Serbian0%(20)

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

Section 05

Education

Bachelor's degree or higher

12.0%

−2.4 ptsvs 2000

vs 14.5% in 2000

US average: 20.3%

High school or higher

75.5%

−5.3 ptsvs 2000

vs 80.8% in 2000

US average: 75.2%

Graduate degree

4.2%

−0.7 ptsvs 2000

vs 4.9% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

21.8 min

+7%vs 2000

vs 20.4 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 married35.3%(7,599)

Married53.5%(11,537)

Widowed2%(439)

Divorced9.1%(1,971)

Women 15+

Never married27.7%(5,995)

Married52.1%(11,292)

Widowed8.1%(1,756)

Divorced12.2%(2,634)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

5.6%

−6.3 ptssince 2013

from 11.9% in 2013

US average: 8.4%

Employer-based

58.7%

−3.3 ptssince 2020

from 62.0% in 2020

US average: 54.8%

Direct-purchase

13.6%

+0.6 ptssince 2020

from 13.0% in 2020

US average: 13.8%

Medicare

17.5%

+1.0 ptssince 2020

from 16.5% in 2020

US average: 18.4%

Medicaid

21.3%

+1.7 ptssince 2020

from 19.6% in 2020

US average: 20.9%

VA health care

1.7%

−1.1 ptssince 2020

from 2.8% in 2020

US average: 2.2%

Any private

69.0%

−4.1 ptssince 2020

from 73.1% in 2020

US average: 67.1%

Any public

37.7%

+3.6 ptssince 2020

from 34.1% 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)26.2%(605)

US avg: 26.4%

Gulf War (1990s)28.9%(667)

US avg: 24.3%

Vietnam era34.2%(789)

US avg: 33.1%

Korean War2.2%(51)

US avg: 4.5%

World War II0.5%(12)

US avg: 1%

Share of the 2,308 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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