COUNTY · 1990 CENSUS

Randolph County

Illinois · 34,583 residents · 575 sq mi

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The short version

With 34,583 people, Randolph County is a county in Illinois. Owners hold 78% of the housing stock. About 8% of adults have finished a four-year degree. The typical home is worth $44,600. That trails the Illinois median by roughly 20%. Median rent is $306 a month.

At a glance

Lower income

below the US median

US median: $30,130

Mid-age

median age 34.0

US median: 33.0

Less educated

8% hold a bachelor's degree

US average: 20%

More affordable

home values down 8%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

34,583

+2%vs 2000

vs 33,893 in 2000

1990 – 2025

Median age

34.0

−10%vs 2000

vs 37.6 in 2000

US average: 33.0

Land area

575 sq mi

Population, 1990 – 2024

202430K

Age distribution, 1990

Under 56.1%(2,105)

US avg: 7.3%

5 to 97.3%(2,518)

US avg: 7.3%

10 to 146.9%(2,390)

US avg: 6.9%

15 to 196.6%(2,280)

US avg: 7.1%

20 to 247.1%(2,443)

US avg: 7.5%

25 to 3417.8%(6,156)

US avg: 17.5%

35 to 4414.3%(4,956)

US avg: 15.1%

45 to 5410.1%(3,500)

US avg: 10.2%

55 to 648.5%(2,940)

US avg: 8.5%

65 to 748.1%(2,804)

US avg: 7.3%

75 to 845.4%(1,884)

US avg: 4%

85 and over1.8%(607)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$25,859

−8%inflation adjusted, since 2000

vs $37,013 in 2000

US average: $30,130

1990 – 2024

Per capita income

$11,155

−37%vs 2000

vs $17,696 in 2000

US average: $14,340

Poverty rate

11.0%

+1.0 ptsvs 2000

vs 10.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$44,600

−8%inflation adjusted, since 2000

vs $64,100 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$306

+3%inflation adjusted, since 2000

vs $393 in 2000

US average: $450

Owner-occupied

78.5%

−0.9 ptsvs 2000

vs 79.4% in 2000

21.5% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic88.1%(29,860)

Black9.2%(3,132)

Hispanic / Latino1.5%(521)

Asian0.2%(81)

Other0%

1990

White, non-Hispanic91.6%(31,667)

Black8%(2,765)

Hispanic / Latino1.1%(392)

Asian0.1%(51)

Other0.3%(100)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin

Mexican1.5%(442)

Central American1.4%(414)

Guatemalan1.3%(401)

Puerto Rican0.4%(122)

Cuban0.2%(66)

Spaniard0.2%(47)

Honduran0%(7)

Costa Rican0%(6)

Dominican0%(3)

Asian origin

Asian Indian0.4%(127)

Chinese0.1%(18)

Japanese0%(10)

Filipino0%(10)

Pakistani0%(4)

Pacific Islander origin

Native Hawaiian0%(14)

Samoan0%(8)

Ancestry

German35.7%(10,734)

Irish11.3%(3,389)

English9.3%(2,783)

American5.8%(1,733)

French4.7%(1,413)

Italian2.5%(743)

Scotch-Irish1.9%(572)

Polish1.4%(411)

Scottish1.1%(345)

Dutch0.6%(182)

British0.6%(168)

Welsh0.5%(141)

+ 28 more ancestry groups with data

Swedish0.4%(133)

Lithuanian0.4%(117)

Hungarian0.3%(91)

Arab0.3%(88)

Norwegian0.3%(88)

Lebanese0.2%(72)

Czech0.2%(58)

French Canadian0.2%(54)

Subsaharan African0.2%(49)

Russian0.2%(47)

Serbian0.1%(38)

Portuguese0.1%(23)

Swiss0.1%(19)

Finnish0.1%(17)

Greek0%(15)

Austrian0%(10)

Romanian0%(9)

Guyanese0%(8)

Syrian0%(7)

Nigerian0%(7)

Iraqi0%(6)

Bulgarian0%(4)

Palestinian0%(3)

Danish0%(2)

Macedonian0%(2)

Ukrainian0%(1)

West Indian0%(1)

Jamaican0%(1)

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

Section 05

Education

Bachelor's degree or higher

8.3%

−0.3 ptsvs 2000

vs 8.6% in 2000

US average: 20.3%

High school or higher

64.2%

−7.1 ptsvs 2000

vs 71.3% in 2000

US average: 75.2%

Graduate degree

3.0%

+0.2 ptsvs 2000

vs 2.8% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

20.7 min

+15%vs 2000

vs 18.1 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 married39.3%(5,360)

Married45.6%(6,228)

Widowed3.1%(419)

Divorced12%(1,644)

Women 15+

Never married20.5%(2,356)

Married51.3%(5,879)

Widowed13.2%(1,513)

Divorced15%(1,723)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

5.3%

−4.1 ptssince 2013

from 9.4% in 2013

US average: 8.4%

Employer-based

58.0%

−1.7 ptssince 2020

from 59.7% in 2020

US average: 54.8%

Direct-purchase

12.5%

−1.0 ptssince 2020

from 13.5% in 2020

US average: 13.8%

Medicare

24.0%

+1.4 ptssince 2020

from 22.6% in 2020

US average: 18.4%

Medicaid

22.2%

−0.1 ptssince 2020

from 22.3% in 2020

US average: 20.9%

VA health care

2.9%

−0.5 ptssince 2020

from 3.4% in 2020

US average: 2.2%

Any private

68.0%

−2.9 ptssince 2020

from 70.9% in 2020

US average: 67.1%

Any public

44.1%

+1.1 ptssince 2020

from 43.0% 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)19.5%(369)

US avg: 26.4%

Gulf War (1990s)22.1%(417)

US avg: 24.3%

Vietnam era43.6%(825)

US avg: 33.1%

Korean War3.2%(61)

US avg: 4.5%

World War II0.8%(15)

US avg: 1%

Share of the 1,891 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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