Vermilion County vs Williamson County

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

Vermilion 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.

Vermilion County has the higher population (73,179 vs 66,902 in Williamson County). Williamson County has the higher median household income ($65,521 vs $54,537 in Vermilion County). Williamson County has the higher median home value ($145,600 vs $92,900 in Vermilion County).

Population, income & housing

	Vermilion County	Williamson County
Population	73,179	66,902
Median age	41.2 yrs	41.4 yrs
Median household income	$54,537	$65,521
Median home value	$92,900	$145,600
Median gross rent	$802	$897
Housing units	34,390	31,957
Homeownership rate	69.2%	71.1%
Bachelor's degree or higher	16.2%	27.5%
Unemployment rate	6.3%	4.3%

Trends (ACS 5-year, 2019–2023)

	Vermilion County	Williamson County
Population	77,563 → 73,179 (-5.7%)	67,102 → 66,902 (-0.3%)
Median household income	$46,515 → $54,537 (+17.2%)	$50,734 → $65,521 (+29.1%)
Median home value	$79,900 → $92,900 (+16.3%)	$114,900 → $145,600 (+26.7%)
Median gross rent	$685 → $802 (+17.1%)	$735 → $897 (+22.0%)

Vermilion County

Population

77,56373,179

Median household income

$46,515$54,537

Median home value

$79,900$92,900

Median gross rent

$685$802

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)

	Vermilion County	Williamson County
Under 5	6.0%	5.4%
5 to 17	17.5%	16.1%
18 to 24	7.8%	6.7%
25 to 34	11.5%	12.7%
35 to 44	12.1%	13.5%
45 to 54	11.3%	12.4%
55 to 64	13.7%	13.6%
65 to 74	11.7%	11.5%
75 and over	8.4%	8.1%

Race & ethnicity (share)

	Vermilion County	Williamson County
White (non-Hispanic)	77.1%	88.2%
Black or African American	14.8%	3.5%
American Indian & Alaska Native	0.1%	0.3%
Asian	0.9%	1.5%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.1%	0.1%
Two or more races	1.6%	3.6%
Hispanic or Latino	5.4%	2.8%

Educational attainment (age 25+)

Share of adults 25+

	Vermilion County	Williamson County
No high school diploma	9.3%	7.6%
High school graduate	41.5%	28.1%
Some college or associate's	33.0%	36.9%
Bachelor's degree	9.6%	16.5%
Graduate or professional degree	6.6%	11.0%

Commute to work

How workers get to work (share)

	Vermilion County	Williamson County
Drove alone	81.5%	81.5%
Carpooled	7.6%	7.6%
Public transit	0.6%	0.3%
Walked	2.2%	0.8%
Bicycle	0.0%	0.2%
Worked from home	7.5%	8.6%
Other means	0.6%	0.9%

Housing

Units in structure (share)

	Vermilion County	Williamson County
1-unit, detached	78.8%	73.9%
1-unit, attached	0.8%	1.3%
2 to 4 units	5.3%	12.2%
5 to 19 units	5.6%	3.3%
20 or more units	3.8%	1.9%
Mobile home & other	5.6%	7.4%

Poverty & households

	Vermilion County	Williamson County
Poverty rate	17.2%	14.3%
Average household size	2.33	2.25
Mean commute (minutes)	20	23
Median year structure built	1958	1981