US Census Data

Boone County vs Williamson County

A side-by-side comparison of Boone County and Williamson County: population, income, housing, and more.

Boone County and Williamson County are counties in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Williamson County has the higher population (66,902 vs 53,316 in Boone County). Boone County has the higher median household income ($81,638 vs $65,521 in Williamson County). Boone County has the higher median home value ($198,600 vs $145,600 in Williamson County).

Population, income & housing

Boone CountyWilliamson County
Population53,31666,902
Median age39.5 yrs41.4 yrs
Median household income$81,638$65,521
Median home value$198,600$145,600
Median gross rent$1,011$897
Housing units20,23831,957
Homeownership rate83.0%71.1%
Bachelor's degree or higher23.2%27.5%
Unemployment rate7.8%4.3%

Trends (ACS 5-year, 2019–2023)

Boone CountyWilliamson County
Population53,537 → 53,316 (-0.4%)67,102 → 66,902 (-0.3%)
Median household income$69,272 → $81,638 (+17.9%)$50,734 → $65,521 (+29.1%)
Median home value$153,400 → $198,600 (+29.5%)$114,900 → $145,600 (+26.7%)
Median gross rent$854 → $1,011 (+18.4%)$735 → $897 (+22.0%)

Boone County

Population
53,53753,316
Median household income
$69,272$81,638
Median home value
$153,400$198,600
Median gross rent
$854$1,011

Williamson County

Population
67,10266,902
Median household income
$50,734$65,521
Median home value
$114,900$145,600
Median gross rent
$735$897

Age & race/ethnicity

Age distribution (share)

Boone CountyWilliamson County
Under 55.4%5.4%
5 to 1718.8%16.1%
18 to 249.4%6.7%
25 to 3411.0%12.7%
35 to 4412.1%13.5%
45 to 5413.7%12.4%
55 to 6413.3%13.6%
65 to 749.8%11.5%
75 and over6.6%8.1%

Race & ethnicity (share)

Boone CountyWilliamson County
White (non-Hispanic)68.9%88.2%
Black or African American1.9%3.5%
American Indian & Alaska Native0.0%0.3%
Asian1.0%1.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.3%0.1%
Two or more races3.0%3.6%
Hispanic or Latino24.9%2.8%

Educational attainment (age 25+)

Share of adults 25+

Boone CountyWilliamson County
No high school diploma14.4%7.6%
High school graduate30.4%28.1%
Some college or associate's32.0%36.9%
Bachelor's degree14.4%16.5%
Graduate or professional degree8.8%11.0%

Commute to work

How workers get to work (share)

Boone CountyWilliamson County
Drove alone77.0%81.5%
Carpooled11.3%7.6%
Public transit0.5%0.3%
Walked0.9%0.8%
Bicycle0.4%0.2%
Worked from home9.4%8.6%
Other means0.4%0.9%

Housing

Units in structure (share)

Boone CountyWilliamson County
1-unit, detached80.1%73.9%
1-unit, attached4.8%1.3%
2 to 4 units5.6%12.2%
5 to 19 units1.5%3.3%
20 or more units1.9%1.9%
Mobile home & other6.1%7.4%

Poverty & households

Boone CountyWilliamson County
Poverty rate10.5%14.3%
Average household size2.772.25
Mean commute (minutes)2723
Median year structure built19811981

Full profiles

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