CITY · 1990 CENSUS

Williamsville

Illinois · 1,140 residents · 1.55 sq mi

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The short version

Williamsville is a city of 1,140 people in Illinois. Poverty is uncommon here, at 3.8% of residents. 13% of adults hold a bachelor's degree or higher. Median home value sits at $60,500. There are 299 fewer people here than in 2000. Owners hold 71% of the housing stock.

At a glance

Wealthier

above the US median

US median: $30,130

Mid-age

median age 33.8

US median: 33.0

Less educated

13% hold a bachelor's degree

US average: 20%

More affordable

home values down 22%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

1,140

−21%vs 2000

vs 1,439 in 2000

1990 – 2025

Median age

33.8

−6%vs 2000

vs 35.8 in 2000

US average: 33.0

Land area

1.55 sq mi

Population, 1990 – 2024

20241K

Age distribution, 1990

Under 57.3%(83)

US avg: 7.3%

5 to 99.3%(106)

US avg: 7.3%

10 to 148.3%(95)

US avg: 6.9%

15 to 196.4%(73)

US avg: 7.1%

20 to 245.6%(64)

US avg: 7.5%

25 to 3415.3%(174)

US avg: 17.5%

35 to 4415.4%(176)

US avg: 15.1%

45 to 5411.4%(130)

US avg: 10.2%

55 to 6410.2%(116)

US avg: 8.5%

65 to 746.8%(78)

US avg: 7.3%

75 to 843.2%(37)

US avg: 4%

85 and over0.7%(8)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$35,658

−6%inflation adjusted, since 2000

vs $50,238 in 2000

US average: $30,130

1990 – 2024

Per capita income

$13,445

−33%vs 2000

vs $20,201 in 2000

US average: $14,340

Poverty rate

3.8%

+0.7 ptsvs 2000

vs 3.1% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$60,500

−22%inflation adjusted, since 2000

vs $101,700 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$355

−8%inflation adjusted, since 2000

vs $507 in 2000

US average: $450

Owner-occupied

70.8%

−11.3 ptsvs 2000

vs 82.1% in 2000

29.2% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic97.4%(1,402)

Black0.6%(8)

Hispanic / Latino0.8%(12)

Asian0.1%(2)

Other0%

1990

White, non-Hispanic99.6%(1,136)

Black0%(0)

Hispanic / Latino0.4%(4)

Asian0%(0)

Other0.4%(4)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin

Mexican1.6%(21)

Puerto Rican0.5%(7)

Asian origin

Vietnamese0.9%(12)

Asian Indian0.5%(7)

Uzbek0.2%(2)

Pacific Islander origin

Native Hawaiian0.3%(4)

Chamorro0.2%(2)

Ancestry

German21.7%(285)

English13.6%(179)

Irish10%(131)

American6.8%(90)

Italian3.1%(41)

Swiss2.7%(36)

Dutch1.8%(23)

Scottish1.8%(23)

Lithuanian1.1%(14)

Swedish1.1%(14)

French0.9%(12)

Canadian0.6%(8)

+ 9 more ancestry groups with data

Scotch-Irish0.6%(8)

Welsh0.5%(7)

Czech0.5%(6)

Norwegian0.4%(5)

Polish0.4%(5)

Arab0.2%(3)

Lebanese0.2%(3)

French Canadian0.2%(3)

Russian0.2%(3)

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

Section 05

Education

Bachelor's degree or higher

13.2%

−10.4 ptsvs 2000

vs 23.6% in 2000

US average: 20.3%

High school or higher

79.0%

−8.8 ptsvs 2000

vs 87.8% in 2000

US average: 75.2%

Graduate degree

3.5%

−1.8 ptsvs 2000

vs 5.3% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

19.4 min

+50%vs 2000

vs 13.0 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 married28.7%(148)

Married64.7%(333)

Widowed2.3%(12)

Divorced4.3%(22)

Women 15+

Never married10.3%(55)

Married65%(346)

Widowed10.5%(56)

Divorced14.1%(75)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

1.9%

−1.0 ptssince 2013

from 2.9% in 2013

US average: 8.4%

Employer-based

72.1%

−6.4 ptssince 2020

from 78.5% in 2020

US average: 54.8%

Direct-purchase

11.3%

+0.4 ptssince 2020

from 10.9% in 2020

US average: 13.8%

Medicare

17.8%

+2.4 ptssince 2020

from 15.4% in 2020

US average: 18.4%

Medicaid

7.9%

−1.3 ptssince 2020

from 9.2% in 2020

US average: 20.9%

VA health care

1.8%

+0.3 ptssince 2020

from 1.5% in 2020

US average: 2.2%

Any private

84.0%

−2.6 ptssince 2020

from 86.6% in 2020

US average: 67.1%

Any public

24.6%

+0.4 ptssince 2020

from 24.2% 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)22.9%(16)

US avg: 26.4%

Gulf War (1990s)32.9%(23)

US avg: 24.3%

Vietnam era25.7%(18)

US avg: 33.1%

Korean War4.3%(3)

US avg: 4.5%

World War II0%(0)

US avg: 1%

Share of the 70 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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