CITY · 1990 CENSUS

South Beloit

Illinois · 4,072 residents · 6.14 sq mi

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The short version

South Beloit is a city of 4,072 people in Illinois. 5% of adults hold a bachelor's degree, below the 20% national rate. Median home value sits at $38,900. There are 1,325 fewer people here than in 2000. The average commute runs 15 minutes. That trails the Illinois median by roughly 18%.

At a glance

Lower income

below the US median

US median: $30,130

Mid-age

median age 33.3

US median: 33.0

Less educated

5% hold a bachelor's degree

US average: 20%

More affordable

home values down 36%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

4,072

−25%vs 2000

vs 5,397 in 2000

1990 – 2025

Median age

33.3

Unchangedvs 2000

vs 33.3 in 2000

US average: 33.0

Land area

6.14 sq mi

Population, 1990 – 2024

20248K

Age distribution, 1990

Under 56.1%(250)

US avg: 7.3%

5 to 94.9%(198)

US avg: 7.3%

10 to 147.7%(315)

US avg: 6.9%

15 to 197.6%(308)

US avg: 7.1%

20 to 248.4%(341)

US avg: 7.5%

25 to 3417.6%(716)

US avg: 17.5%

35 to 4412.9%(526)

US avg: 15.1%

45 to 5410.6%(431)

US avg: 10.2%

55 to 6410.3%(418)

US avg: 8.5%

65 to 748.1%(330)

US avg: 7.3%

75 to 844.8%(194)

US avg: 4%

85 and over1.1%(45)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$26,331

−3%inflation adjusted, since 2000

vs $35,597 in 2000

US average: $30,130

1990 – 2024

Per capita income

$12,191

−34%vs 2000

vs $18,363 in 2000

US average: $14,340

Poverty rate

10.8%

+0.8 ptsvs 2000

vs 10.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$38,900

−36%inflation adjusted, since 2000

vs $80,200 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$381

−1%inflation adjusted, since 2000

vs $505 in 2000

US average: $450

Owner-occupied

62.5%

−6.3 ptsvs 2000

vs 68.8% in 2000

37.5% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic86.3%(4,659)

Black3.9%(211)

Hispanic / Latino6.8%(366)

Asian0.8%(45)

Other0%

1990

White, non-Hispanic90.3%(3,679)

Black5.5%(223)

Hispanic / Latino5.7%(231)

Asian0.2%(9)

Other4%(161)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin

Mexican9.3%(740)

Dominican1%(81)

Central American0.9%(68)

Salvadoran0.8%(61)

Puerto Rican0.3%(20)

Nicaraguan0.1%(7)

Spaniard0%(1)

Asian origin

Chinese1%(83)

Filipino0.1%(6)

Asian Indian0%(1)

Pacific Islander origin

Samoan0.5%(39)

Ancestry

German30.7%(2,437)

Irish14.1%(1,119)

English12.8%(1,014)

Italian8.1%(644)

Swedish4.3%(339)

French3.2%(254)

Norwegian3.1%(248)

Polish2.9%(229)

American1.9%(149)

Welsh1.7%(133)

Russian1.4%(112)

Czech1.3%(105)

+ 10 more ancestry groups with data

Scottish1.3%(101)

Dutch0.8%(63)

Austrian0.7%(52)

Danish0.6%(46)

British0.3%(27)

Finnish0.3%(26)

Swiss0.3%(23)

Subsaharan African0.2%(12)

Scotch-Irish0.1%(9)

Slovak0.1%(9)

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

Section 05

Education

Bachelor's degree or higher

4.8%

−2.6 ptsvs 2000

vs 7.4% in 2000

US average: 20.3%

High school or higher

63.8%

−10.0 ptsvs 2000

vs 73.7% in 2000

US average: 75.2%

Graduate degree

1.4%

−0.4 ptsvs 2000

vs 1.8% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

15.2 min

+23%vs 2000

vs 12.4 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 married39.6%(1,156)

Married50.9%(1,487)

Widowed1.1%(32)

Divorced8.4%(245)

Women 15+

Never married27.3%(889)

Married51%(1,661)

Widowed8.6%(281)

Divorced13.1%(425)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

7.2%

−3.5 ptssince 2013

from 10.7% in 2013

US average: 8.4%

Employer-based

61.8%

+3.5 ptssince 2020

from 58.3% in 2020

US average: 54.8%

Direct-purchase

13.2%

+2.5 ptssince 2020

from 10.7% in 2020

US average: 13.8%

Medicare

13.3%

+1.0 ptssince 2020

from 12.3% in 2020

US average: 18.4%

Medicaid

19.2%

+0.8 ptssince 2020

from 18.4% in 2020

US average: 20.9%

VA health care

1.6%

+0.4 ptssince 2020

from 1.2% in 2020

US average: 2.2%

Any private

71.1%

+4.5 ptssince 2020

from 66.6% in 2020

US average: 67.1%

Any public

31.0%

+2.1 ptssince 2020

from 28.9% 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)44.7%(177)

US avg: 26.4%

Gulf War (1990s)3.3%(13)

US avg: 24.3%

Vietnam era24.5%(97)

US avg: 33.1%

Korean War0%(0)

US avg: 4.5%

World War II8.1%(32)

US avg: 1%

Share of the 396 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.

BAR + DOT: THIS PLACE · TICK: US AVERAGE

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