Johnson County, Illinois
Total Population: 13,350
County Seat: Vienna
Median Home Value
$148,200
Owner-occupied units
Median Household Income
$65,203
Across all households
Median Age
42.7 yrs
Across all residents
Bachelor's Degree+
18.8%
Adults 25 and older
Nearby Counties
Demographics
14 fieldsRacial & Ethnic Composition
Under 18 Years
17.8%
65 Years and Over
20.4%
Male
57.0%
Female
43.0%
U.S. Citizens (18+)
99.5%
No Health Insurance
7.9%
Education
3 fieldsHigh School Graduate or Higher (25+)
85.9%
Bachelor's Degree or Higher (25+)
18.8%
Enrolled in College (18+)
4.1%
Economics
6 fieldsMedian Household Income
$65,203
Mean Household Income
$77,971
Per Capita Income
$28,028
Unemployment Rate (16+)
2.4%
In Labor Force (19–64)
66.9%
SNAP / Food Stamps
13.0%
Housing & Households
13 fieldsMedian Home Value
$148,200
Median Rent
$634/mo
Total Housing Units
5,538
Owner-Occupied
84.7%
Renter-Occupied
15.3%
Vacancy Rate
25.4%
Married Couple Households
50.1%
Cohabiting Couple Households
—
Male Householder, No Partner
16.3%
Female Householder, No Partner
27.2%
Average Household Size
2.78
Broadband Internet Access
79.1%
Housing Built Since 2010
10.0%
Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. County FIPS 17087.