Johnson County, Illinois

IL · FIPS 17087 · ACS 2024 5-Year Estimates

Metric Value vs National Rank Percentile
Total Population 13,376 #2,264 / 3,222
30th
Median Household Income $62,528 -16.8% #1,844 / 3,222
43th
Median Age 41.4 years +6.4% #1,680 / 3,222
48th
Median Home Value $160,500 -43.1% #2,015 / 3,222
37th
Median Gross Rent $781 -32.8% #2,254 / 3,222
30th
Poverty Rate 17.6% +39.5% #2,394 / 3,222
26th

Demographics

Johnson County has a population of 13,376, making it the #2,264 most populous county in the US. The median age is 41.4 years, which is 6.4% above the national median.

Population Trend

Rankings →

Year-over-Year Population Growth

Age & Sex Distribution

Race & Ethnicity

Nativity

98.8%
Native Born
1.2%
Foreign Born

Household Type

Economy

The median household income in Johnson County is $62,528, ranking #1,844 out of 3,222 counties — 16.8% below the national median. The poverty rate is 17.6% and unemployment stands at 3.5%.

Median Household Income
$62,528 −16.8% vs nat'l
Rank #1,844 of 3,222
43th percentile
Per Capita Income
$27,765 −32.7% vs nat'l
Rank #2,728 of 3,222
15th percentile
Poverty Rate
17.6% +39.5% vs nat'l
Rank #2,394 of 3,222
26th percentile
Unemployment Rate
3.5% −34.3% vs nat'l
Rank #974 of 3,222
70th percentile
Bachelor's Degree or Higher
19.6% −42.0% vs nat'l
Rank #2,081 of 3,222
35th percentile
Mean Commute Time
30.0 min +8.8% vs nat'l
Rank #884 of 3,222
73th percentile

Median Household Income Trend

Rankings →

Poverty Rate Trend

Rankings →

Housing

The median home value in Johnson County is $160,500 (-43.1% vs national). Renters pay a median of $781/mo and the homeownership rate is 82.0%.

Median Home Value
$160,500 −43.1% vs nat'l
Rank #2,015 of 3,222
37th percentile
Median Gross Rent
$781 −32.8% vs nat'l
Rank #2,254 of 3,222
30th percentile
Homeownership Rate
82.0% +27.3% vs nat'l
Rank #369 of 3,222
89th percentile
82.0% Homeownership

Median Home Value Trend

Rankings →

Health

91.9% of residents in Johnson County have health insurance coverage, which is 0.2% above the national rate.

91.9% Health Insurance
Health Insurance Coverage
91.9% +0.2% vs nat'l
Rank #1,718 of 3,222
47th percentile

About Johnson County, Illinois

Johnson County, Illinois has a total population of 13,376, making it the 2,264th most populous county in the United States. The median age in Johnson County is 41.4 years, which is 6.4% above the national median of 38.9 years.

The median household income in Johnson County is $62,528, which ranks #1,844 of 3,222 counties nationwide. This is 16.8% below the national median of $75,149. The poverty rate is 17.6%, higher than the national rate of 12.6%. The unemployment rate stands at 3.5%.

The median home value in Johnson County is $160,500, 43.1% below the national median. Renters in Johnson County pay a median gross rent of $781 per month. The homeownership rate is 82.0%, compared to the national rate of 64.4%.

In Johnson County, 19.6% of residents aged 25 and older hold a bachelor's degree or higher, 42.0% below the national average of 33.7%. Health insurance coverage stands at 91.9% of the population. The average commute time for workers is 30.0 min.

Johnson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 80.1% of the population, followed by Black (non-Hispanic) (7.8%) and Two or More Races (7.2%).

All data for Johnson County, Illinois comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.