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CITY · 2020 ACS

Williamsville

Illinois · 1,425 residents · 1.548 sq mi
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The short version

Williamsville is significantly wealthier than the US average, with a median household income of $86,326. Population has held roughly steady since 2000. Median home value has risen by half since 2000, reaching $162,900. Households here earn about 26% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 42.7
US median: 38.8
More educated
37% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
1,425
−1%since 2000
from 1,439 in 2000
1990 – 2025
Population density
921 / sq mi
−1%since 2000
from 930 / sq mi in 2000
US average: 280
Median age
42.7
+19%since 2000
from 35.8 in 2000
US average: 38.8
Population, 1990 – 2024
1K1K1K2K2K1990201020202024Williamsville
20241K
1990201020202024
Section 02

Income & economy

Median household income
$86,326
+14%inflation adjusted, since 2000
from $50,238 in 2000
US average: $66,278
1990 – 2024
Per capita income
$41,651
+106%since 2000
from $20,201 in 2000
US average: $35,364
Households earning $100K+
58.9%
+15.6 ptssince 2009
from 43.3% in 2009
US average: 43.9%
Poverty rate
9.8%
+6.8 ptssince 2000
from 3.1% in 2000
US average: 12.8%
Workforce by industry, 2020
Other services11.6%
US avg: 6.6%
Public administration8.9%
US avg: 4.7%
Information6.4%
US avg: 11.1%
Finance & insurance5.9%
US avg: 5.5%
Wholesale trade5.4%
US avg: 6.7%
Agriculture, forestry, fishing4.2%
US avg: 1.7%
Professional, scientific, technical3.9%
US avg: 4.7%
Retail trade2.6%
US avg: 10%
Construction2.2%
US avg: 1.2%
Manufacturing2%
US avg: 0.5%
Education & health services2%
US avg: 0.8%
Transportation & warehousing1.2%
US avg: 2.5%
Arts, entertainment, food0.6%
US avg: 2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$162,900
+7%inflation adjusted, since 2000
from $101,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$803
+5%inflation adjusted, since 2000
from $507 in 2000
US average: $1,124
Owner-occupied
84.0%
+1.9 ptssince 2000
from 82.1% in 2000
16.0% rent
Afford Score
1.9
−7%since 2000
from 2.0 in 2000
1990 – 2024
RELATED:See current rent listings in Williamsville on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.4%(1,402)
Black0.6%(8)
Hispanic / Latino0.8%(12)
Asian0.1%(2)
Other0%
Diversity Score3.8%(55)
2020
White, non-Hispanic93.8%(1,337)
Black0.1%(1)
Hispanic / Latino1.7%(24)
Asian0.1%(2)
Other1.2%(17)
Diversity Score7.7%(110)
Diversity Score
8
+102%since 2000
from 4 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
37.0%
+13.4 ptssince 2000
from 23.6% in 2000
US average: 32.9%
High school or higher
92.7%
+4.8 ptssince 2000
from 87.8% in 2000
US average: 88.5%
Graduate degree
13.7%
+8.4 ptssince 2000
from 5.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
19.9 min
+53%since 2000
from 13.0 min in 2000
US average: 26.9
Drive alone to work
88.1%
−0.6 ptssince 2009
from 88.7% in 2009
US average: 75.1%
No vehicle available
2.7%
+1.0 ptssince 2009
from 1.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
1.6%
−3.1 ptssince 2011
from 4.7% in 2011
US average: 5.4%
Labor force participation
71.9%
Unchangedsince 2011
from 71.9% in 2011
US average: 63.4%
Management & professional
51.0%
−17.3 ptssince 2009
from 68.3% in 2009
US average: 39.3%
Section 08

People & community

Male
50.7%
+2.8 ptssince 2009
from 48.0% in 2009
Female
49.3%
−2.8 ptssince 2009
from 52.0% in 2009
Foreign born
0.8%
−0.5 ptssince 2009
from 1.3% in 2009
US average: 13.5%
Uninsured
1.2%
−95.9 ptssince 2013
from 97.1% in 2013
US average: 8.8%
Drill deeper

Places similar to Williamsville

North Redington Beach
Pop 1,444
Redington Beach
Pop 1,355
Indian Shores
Pop 1,167
Lincoln
Pop 1,873
Places similar to Williamsville
Head to head

Compare Williamsville to nearby cities

WILLIAMSVILLE VS
Springfield
Income$66,064−23%
Home value$162,100same
Population112,989+7763%
SEE FULL COMPARISON →
WILLIAMSVILLE VS
Lincoln
Income$57,340−34%
Home value$124,300−24%
Population12,981+803%
SEE FULL COMPARISON →
WILLIAMSVILLE VS
Chatham
Income$106,773+24%
Home value$243,200+49%
Population14,579+915%
SEE FULL COMPARISON →
WILLIAMSVILLE VS
Taylorville
Income$57,552−33%
Home value$104,100−36%
Population10,522+632%
SEE FULL COMPARISON →
Frequently asked

How many people live in Williamsville, Illinois?

Williamsville, Illinois has about 1,425 residents according to the 2020 American Community Survey.

What is the median household income in Williamsville, Illinois?

The typical household in Williamsville, Illinois earns about $86,326 a year. Half of households make more than that, and half make less.

Is Williamsville, Illinois expensive?

In Williamsville, Illinois, the median home is worth about $162,900, and the typical rent is about $803 a month.

How educated are people in Williamsville, Illinois?

About 37.0% of adults age 25 and over in Williamsville, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Williamsville, Illinois?

About 9.8% of people in Williamsville, Illinois live below the federal poverty line.

Has Williamsville, Illinois grown since 1990?

Yes, Williamsville, Illinois has grown since 1990. The population has added about 285 residents, a change of about 25 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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