Below Average CostHigher than AverageWilliamsville CUSD 15
Median Income
$99,938
household / year
Median Home Value
$181,800
owner-occupied
Median Rent
$986
gross / month
Cost of Living
90
national avg = 100
Is Williamsville, IL a Good Place to Live?
Williamsville is a small town of 1,468 in Illinois, with a median household income of $99,938
and a 2.1% unemployment rate.
Its cost of living index is 90 (US average = 100), which is
10% below the national average.
Strengths:
Williamsville stands out for an affordable cost of living, below-average home prices, solid school ratings (A-), a well-educated population, short average commutes.
Trade-offs:
No major red flags stand out in the available data. Whether Williamsville is right for you depends on your priorities — the full breakdown is below.
All Williamsville city data on this page comes from official government sources —
the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.
Cost of Living
Index: 90.5
Williamsville's overall cost of living index is 90.5,
where 100 represents the US national average.
Living in Williamsville costs roughly 10% less than the average American city.
Metric
Williamsville, IL
National Avg
Median Home Value
$181,800
$244,900
Median Monthly Rent
$986
$1,163
Homeownership Rate
86.3%
65.9%
Median Household Income
$99,938
$74,755
Crime & Safety
Higher than Average
Williamsville's violent crime rate is 540.4 per 100,000 residents
— 42% higher than the national average of ~380 per 100,000.
Violent Crime
540.4 /100k
Property Crime
2963.4 /100k
Vertical marker = national average. Source: FBI UCR Program.
Schools & Education
Williamsville is served primarily by Williamsville CUSD 15.
The student-to-teacher ratio is 14.5:1
(better than the national average of ~16:1).
Metric
Williamsville, IL
National Avg
School District
Williamsville CUSD 15
—
Elementary Schools
1
—
Middle Schools
1
—
High Schools
1
—
Student/Teacher Ratio
14.5:1
16:1
Bachelor's Degree or Higher
39.0%
35.4%
High School Diploma or Higher
91.7%
91.1%
Weather & Climate
Williamsville sees average highs of 35.9°F in January
and 86.8°F in July,
with 40.9 inches of annual precipitation
and 20.6 inches of snow per year.
Williamsville's cost of living index is 90, where 100 is the national average.
That makes Williamsville roughly 10% less expensive than a typical US city — a meaningful affordability advantage.
The median home price is $181,800 and median rent is $986/month.
Williamsville's violent crime rate is 540.4 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 2963.4 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.
Public schools in Williamsville are operated by Williamsville CUSD 15.
The district has 1 elementary, 1 middle, and 1 high schools.
The student-to-teacher ratio is 14.5:1. 39.0% of adults 25+ hold a bachelor's degree or higher.
Williamsville, IL has a population of 1,468, a median household income of $99,938, and an unemployment rate of 2.1%.
It offers below-average costs of living, which stretches take-home pay further than in most American cities. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.
Williamsville averages 35.9°F in January and 86.8°F in July. Annual rainfall is 40.9 inches
with about 20.6 inches of snow per year.
Based on NOAA 30-year climate normals (1991–2020).
Williamsville, IL is covered by 1 ZIP code: 62693.
The population of Williamsville, Illinois is 1,468 with a median age of 40.8. Source: US Census ACS 5-Year Estimates.
Key numbers for living in Williamsville: cost of living index 90 (100 = US average), median home $181,800, median household income $99,938, crime index 142 (100 = US average, lower is safer), schools rated A-. Whether these are benefits or drawbacks depends on where you're coming from — compare Williamsville side by side with your current city to see the trade-offs.