Williamson County, IL — Population & Demographics
Williamson County, IL has a population of 66,902. The median household income is $65,521 and the median age is 41.4.
66,902
Population
$65,521
Median Income
$145,600
Median Home Value
41.4
Median Age
Race & Ethnicity
| White | 89.2% |
| Black or African American | 3.5% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 2.1% |
| Two or More Races | 0.0% |
Economy & Income
$65,521
Median Household Income
$37,096
Per Capita Income
10.1%
Poverty Rate
2.5%
Unemployment
Housing
$145,600
Median Home Value
$897
Median Rent
71.1%
Homeownership
Education
92.4%
High School+
27.5%
Bachelor's+
Frequently Asked Questions
Williamson County, IL has a population of 66,902 according to Census ACS 2023 data.
The median household income in Williamson County, IL is $65,521.
Data from the American Community Survey (ACS) 5-Year estimates.