COUNTY · 1990 CENSUS

McDonough County

Illinois · 35,244 residents · 589 sq mi

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McDonough County is home to 35,244 people in Illinois. This skews young, with a median age of 27.4. The typical home is worth $35,700. Households here earn about 32% less than in Illinois as a whole. Renters pay $289 a month at the median. The poverty rate is 19.1%, above the 13.2% national rate.

At a glance

Lower income

below the US median

US median: $30,130

Younger

median age 27.4

US median: 33.0

More educated

23% hold a bachelor's degree

US average: 20%

More affordable

home values down 23%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

35,244

+7%vs 2000

vs 32,913 in 2000

1990 – 2025

Median age

27.4

−5%vs 2000

vs 29.0 in 2000

US average: 33.0

Land area

589 sq mi

Population, 1990 – 2024

202427K

Age distribution, 1990

Under 55%(1,745)

US avg: 7.3%

5 to 95%(1,750)

US avg: 7.3%

10 to 145.5%(1,949)

US avg: 6.9%

15 to 1913.3%(4,692)

US avg: 7.1%

20 to 2417.9%(6,324)

US avg: 7.5%

25 to 3413%(4,569)

US avg: 17.5%

35 to 4411%(3,868)

US avg: 15.1%

45 to 548.2%(2,882)

US avg: 10.2%

55 to 647.4%(2,621)

US avg: 8.5%

65 to 747.2%(2,532)

US avg: 7.3%

75 to 844.7%(1,671)

US avg: 4%

85 and over1.8%(641)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$21,774

−11%inflation adjusted, since 2000

vs $32,141 in 2000

US average: $30,130

1990 – 2024

Per capita income

$10,089

−37%vs 2000

vs $15,890 in 2000

US average: $14,340

Poverty rate

19.1%

−0.7 ptsvs 2000

vs 19.8% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$35,700

−23%inflation adjusted, since 2000

vs $60,800 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$289

−3%inflation adjusted, since 2000

vs $393 in 2000

US average: $450

Owner-occupied

62.2%

−0.9 ptsvs 2000

vs 63.1% in 2000

37.8% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic92%(30,284)

Black3.4%(1,126)

Hispanic / Latino1.5%(488)

Asian2%(662)

Other0%

1990

White, non-Hispanic93.6%(32,980)

Black3.4%(1,215)

Hispanic / Latino0.8%(278)

Asian2.5%(868)

Other0.5%(181)

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%(653)

Puerto Rican0.4%(109)

South American0.1%(25)

Peruvian0.1%(25)

Central American0%(9)

Nicaraguan0%(9)

Cuban0%(4)

Spaniard0%(2)

Asian origin

Asian Indian1%(281)

Filipino0.4%(113)

Chinese0.2%(55)

Japanese0.2%(53)

Korean0.1%(40)

Bangladeshi0.1%(15)

Indonesian0%(1)

Pacific Islander origin

Samoan0.1%(32)

Native Hawaiian0%(9)

Ancestry

German19.9%(5,364)

English13.3%(3,588)

Irish12.2%(3,276)

American6.2%(1,657)

Swedish2.8%(767)

Italian2.8%(750)

Dutch2.8%(744)

Polish2.4%(652)

Scottish2.3%(606)

Subsaharan African1.4%(384)

French0.8%(227)

Danish0.7%(198)

+ 29 more ancestry groups with data

Scotch-Irish0.7%(190)

Welsh0.7%(182)

Norwegian0.6%(158)

Nigerian0.4%(112)

French Canadian0.3%(91)

British0.3%(76)

Lithuanian0.3%(68)

Finnish0.2%(67)

Swiss0.2%(67)

West Indian0.2%(62)

Russian0.2%(56)

Czech0.1%(35)

Trinidadian & Tobagonian0.1%(35)

Arab0.1%(29)

Belgian0.1%(24)

Greek0.1%(24)

Croatian0.1%(23)

Lebanese0.1%(19)

Australian0.1%(18)

Hungarian0.1%(17)

Ghanaian0.1%(16)

Iranian0.1%(15)

Serbian0%(11)

Portuguese0%(10)

Brazilian0%(9)

Ukrainian0%(8)

Austrian0%(7)

Slovak0%(5)

Ethiopian0%(1)

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

Section 05

Education

Bachelor's degree or higher

23.2%

−3.6 ptsvs 2000

vs 26.9% in 2000

US average: 20.3%

High school or higher

80.3%

−6.6 ptsvs 2000

vs 86.9% in 2000

US average: 75.2%

Graduate degree

10.4%

−3.2 ptsvs 2000

vs 13.6% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

17.3 min

+49%vs 2000

vs 11.6 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 married42.6%(4,732)

Married44.6%(4,962)

Widowed3.3%(368)

Divorced9.5%(1,057)

Women 15+

Never married39.4%(4,628)

Married40.6%(4,770)

Widowed10.5%(1,233)

Divorced9.6%(1,129)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

7.4%

−2.4 ptssince 2013

from 9.8% in 2013

US average: 8.4%

Employer-based

58.0%

−2.3 ptssince 2020

from 60.3% in 2020

US average: 54.8%

Direct-purchase

14.9%

−2.2 ptssince 2020

from 17.1% in 2020

US average: 13.8%

Medicare

20.6%

+2.2 ptssince 2020

from 18.4% in 2020

US average: 18.4%

Medicaid

19.6%

+1.4 ptssince 2020

from 18.2% in 2020

US average: 20.9%

VA health care

2.5%

−0.2 ptssince 2020

from 2.7% in 2020

US average: 2.2%

Any private

68.9%

−3.6 ptssince 2020

from 72.5% in 2020

US average: 67.1%

Any public

37.8%

+3.4 ptssince 2020

from 34.4% 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)21.9%(253)

US avg: 26.4%

Gulf War (1990s)20.9%(241)

US avg: 24.3%

Vietnam era31.8%(367)

US avg: 33.1%

Korean War7.1%(82)

US avg: 4.5%

World War II0.1%(1)

US avg: 1%

Share of the 1,153 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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