COUNTY · 1990 CENSUS

Carroll County

Illinois · 16,805 residents · 445 sq mi

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With 16,805 people, Carroll County is a county in Illinois. Median home value sits at $38,600. At a median age of 37.4, this is an older place than the country as a whole. 11% of adults hold a bachelor's degree or higher. Owners hold 72% of the housing stock. That trails the Illinois median by roughly 20%.

At a glance

Lower income

below the US median

US median: $30,130

Older

median age 37.4

US median: 33.0

Less educated

11% hold a bachelor's degree

US average: 20%

More affordable

home values down 28%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

16,805

+1%vs 2000

vs 16,674 in 2000

1990 – 2025

Median age

37.4

−8%vs 2000

vs 40.8 in 2000

US average: 33.0

Land area

445 sq mi

Population, 1990 – 2024

202416K

Age distribution, 1990

Under 56.4%(1,075)

US avg: 7.3%

5 to 97.2%(1,208)

US avg: 7.3%

10 to 147.2%(1,205)

US avg: 6.9%

15 to 196.8%(1,139)

US avg: 7.1%

20 to 245.1%(855)

US avg: 7.5%

25 to 3413.8%(2,313)

US avg: 17.5%

35 to 4413.8%(2,325)

US avg: 15.1%

45 to 5410.4%(1,751)

US avg: 10.2%

55 to 6410.7%(1,800)

US avg: 8.5%

65 to 7410.2%(1,715)

US avg: 7.3%

75 to 846%(1,013)

US avg: 4%

85 and over2.4%(406)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$25,758

−9%inflation adjusted, since 2000

vs $37,148 in 2000

US average: $30,130

1990 – 2024

Per capita income

$12,358

−34%vs 2000

vs $18,688 in 2000

US average: $14,340

Poverty rate

11.7%

+2.1 ptsvs 2000

vs 9.6% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$38,600

−28%inflation adjusted, since 2000

vs $71,100 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$286

−2%inflation adjusted, since 2000

vs $385 in 2000

US average: $450

Owner-occupied

71.8%

−4.9 ptsvs 2000

vs 76.7% in 2000

28.2% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic95.9%(15,988)

Black0.5%(90)

Hispanic / Latino2%(340)

Asian0.4%(68)

Other0%

1990

White, non-Hispanic98%(16,475)

Black1.1%(182)

Hispanic / Latino2.2%(365)

Asian0.2%(42)

Other0.6%(106)

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%(408)

Puerto Rican0.4%(56)

South American0.2%(33)

Central American0.2%(29)

Colombian0.1%(21)

Costa Rican0.1%(16)

Ecuadorian0.1%(12)

Honduran0%(7)

Guatemalan0%(3)

Salvadoran0%(3)

Cuban0%(2)

Spaniard0%(1)

Asian origin

Korean0.3%(48)

Asian Indian0.1%(20)

Laotian0.1%(16)

Chinese0.1%(13)

Pakistani0.1%(11)

Japanese0%(3)

Filipino0%(3)

Taiwanese0%(2)

Vietnamese0%(1)

Ancestry

German30.7%(4,781)

Irish12.9%(2,003)

English8.5%(1,324)

American8.3%(1,296)

Dutch4.1%(645)

Swedish2.8%(435)

Italian2.6%(408)

Polish2.4%(372)

French1.7%(269)

Scottish1.4%(218)

Norwegian1%(159)

Welsh0.9%(137)

+ 23 more ancestry groups with data

Greek0.8%(129)

Swiss0.6%(93)

Danish0.6%(87)

Czech0.5%(74)

French Canadian0.4%(59)

Finnish0.3%(53)

Scotch-Irish0.2%(36)

Hungarian0.2%(32)

Belgian0.2%(30)

Arab0.2%(29)

Moroccan0.2%(26)

Lithuanian0.1%(19)

British0.1%(18)

Austrian0.1%(16)

Canadian0.1%(15)

Slovak0.1%(14)

Russian0.1%(12)

Croatian0%(6)

Romanian0%(4)

Serbian0%(4)

Ukrainian0%(4)

West Indian0%(4)

Trinidadian & Tobagonian0%(4)

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

Section 05

Education

Bachelor's degree or higher

10.6%

−2.6 ptsvs 2000

vs 13.1% in 2000

US average: 20.3%

High school or higher

76.0%

−7.3 ptsvs 2000

vs 83.3% in 2000

US average: 75.2%

Graduate degree

3.1%

−0.7 ptsvs 2000

vs 3.7% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

25.4 min

+52%vs 2000

vs 16.7 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 married38.4%(2,835)

Married44.8%(3,309)

Widowed3.8%(282)

Divorced13%(962)

Women 15+

Never married20.1%(1,196)

Married55.8%(3,317)

Widowed9.5%(566)

Divorced14.5%(864)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

5.8%

−6.1 ptssince 2013

from 11.9% in 2013

US average: 8.4%

Employer-based

51.0%

−2.7 ptssince 2020

from 53.7% in 2020

US average: 54.8%

Direct-purchase

16.7%

−4.2 ptssince 2020

from 20.9% in 2020

US average: 13.8%

Medicare

27.0%

−0.3 ptssince 2020

from 27.3% in 2020

US average: 18.4%

Medicaid

20.9%

+4.4 ptssince 2020

from 16.5% in 2020

US average: 20.9%

VA health care

2.0%

−1.9 ptssince 2020

from 3.9% in 2020

US average: 2.2%

Any private

64.3%

−6.8 ptssince 2020

from 71.1% in 2020

US average: 67.1%

Any public

45.8%

+4.0 ptssince 2020

from 41.8% 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)15.7%(174)

US avg: 26.4%

Gulf War (1990s)13.1%(145)

US avg: 24.3%

Vietnam era35.9%(397)

US avg: 33.1%

Korean War6.1%(67)

US avg: 4.5%

World War II0.2%(2)

US avg: 1%

Share of the 1,105 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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