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Johnson County, Illinois

County

Population: 13,350 (2023 estimate)

Located in Illinois

County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.

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Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — Johnson County

What is the median household income in Johnson County?
The median household income in Johnson County is $91,510 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in Johnson County?
The poverty rate in Johnson County is 2.4% (U.S. Census Bureau ACS 2023).
What is the median home value in Johnson County?
$222,400 (U.S. Census Bureau ACS 2023).
What is the average rent in Johnson County?
The median gross rent in Johnson County is $860 per month (U.S. Census Bureau ACS 2023).
What percentage of Johnson County residents have a college degree?
22.3% of adults in Johnson County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
2,444
Median Income
$91,510
Median Home Value
$222,400
Poverty Rate
2.4%
Unemployment (ACS 2023)
3.5%
Median Age
38.0 yrs
Since 2019 Median Income: +$22,939 (+33.5%) Home Value: +$43,700 (+24.5%) Poverty Rate: -1.4 pp (-36.8%) Bachelor's+: +8.6 pp (+62.8%) Unemployment: +0.1 pp (+2.9%)

Demographics

Total Population 2,444
Median Age 38.0
Female 48.6%
Race & Ethnicity
Hispanic or Latino 1.3% White (non-Hisp.) 96.7% Black 0.7% Two or More 2.5%
Hispanic Subgroups (% of total pop.)
Puerto Rican
0.8%
Mexican
0.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $91,510 ±$15,324
+$9,808 vs. state
Per Capita Income $101,067
Median Family Income $107,031
Poverty Rate 2.4%
-5.8 pp vs. state
Child Poverty Rate 2.5%
Working-Age Poverty Rate
SNAP Recipients 6.0%
Social Security Income
Retirement Income 31.5%
Household Income Distribution
< $10k
3.2%
$10–15k
1.3%
$15–25k
2.4%
$25–35k
5.8%
$35–50k
10.6%
$50–75k
17.3%
$75–100k
13.1%
$100–150k
29.5%
$150–200k
12.7%
$200k+
4.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 926
Owner-Occupied 84.3%
Renter-Occupied 15.7%
Vacancy Rate 5.1%
Median Home Value $222,400
-$28,100 vs. state
Median Gross Rent $860
Owner Cost Burden (30%+) 8.8%
Renter Cost Burden (30%+) 20.5%
Home Value Distribution
< $50k
3.5%
$50–100k
1.2%
$100–200k
11.3%
$200–300k
31.3%
$300–500k
22.9%
$500k–$1M
3.0%
$1M+
3.8%
Gross Rent Distribution
$500–1k
64.6%
$1–1.5k
17.3%
$1.5–2k
18.1%
Vehicle Availability
No vehicle
3.5%
1 vehicle
22.3%
2 vehicles
41.3%
3+
32.9%
Housing Type
Single-fam. det.
81.2%
Single-fam. att.
8.3%
2–4 units
1.2%
5–19 units
1.8%
20+ units
0.3%
Mobile home
4.0%
Housing Age
Pre-1940
31.0%
1940–1969
1.3%
1970–1999
9.3%
2000–2009
12.1%
2010+
1.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 82.9%
Bachelor's or Higher 22.3%
-14.9 pp vs. state
Graduate Degree 8.2%
Some College / Associate 11.2%
Less Than High School 8.3%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 67.0%
Unemployment Rate 3.5%
-2.3 pp vs. state
Work from Home 15.6%
Self-Employed 6.8%
Government Workers 15.9%
Private For-Profit 77.3%
Industry
Edu/Health
21.8%
Retail
13.8%
Manufacturing
12.1%
Construction
11.4%
Prof. Services
7.1%
Transportation
6.6%
Arts/Entmt.
6.1%
Finance
5.6%
Wholesale
5.5%
Agriculture
3.8%
Public Admin
3.4%
Information
0.4%
Occupation
Sales
27.4%
Management
25.6%
Production
20.9%
Construction
13.4%
Food Prep
12.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 22.9 min
Drove Alone 75.8%
Carpool 7.4%
Public Transit 0.0%
Work from Home 15.6%
Walked 1.1%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 879
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 64.6%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 29.4%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
7.2%
5–9
9.9%
10–14
6.5%
15–19
5.5%
20–24
2.5%
25–34
14.6%
35–44
14.0%
45–54
10.3%
55–64
5.1%
65–74
5.6%
75–84
11.5%
85+
4.3%
Under 18: 25.7% Working age (18–64): 74.3% 65 and over: 18.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 1.3%
Naturalized Citizen 51.6%
Speaks English Less Than Very Well 4.5%

Veterans & Disability

Veteran 4.7%
With a Disability 8.6%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 79.9%
Uninsured 20.1%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 75.0%
Has a Computer 88.2%
Same House 1 Year Ago 91.7%
Moved from Abroad 0.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Compare Johnson County

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Where People Move From (IRS Migration Data)

Top origins of people who moved to Johnson County in 2023, by number of tax returns filed (IRS SOI Migration Data).

Origin Tax Returns People (est.)
Williamson County 67 121
Other flows - South 50 94
Union County 21 40