Johnson County, Illinois

7 cities & places have their primary county here.

Population: 13,350
Median household income: $65,203
Median home value: $148,200

Home to 13,350 residents, Johnson County is one of Illinois's counties. 7 cities and places have their primary county here. At $65,203, its median household income sits below Illinois's $81,702.

From 2019 to 2023, Johnson County's population grew 6.9% from 12,494 to 13,350, while its median household income rose 23.6% from $52,774 to $65,203.

The largest age group is 55 to 64, 14.7% of residents. White (non-Hispanic) residents are the largest group, 81.0% of the population.

Demographics

ACS 2019–2023

Population: 13,350
Median age: 42.7 yrs
Median household income: $65,203
Median home value: $148,200
Median gross rent: $634
Housing units: 5,538
Homeownership rate: 84.7%
Bachelor's degree or higher: 18.8%
Unemployment rate: 2.4%

Trends

ACS 5-year · 2019–2023

Population

12,49413,350

Median household income

$52,774$65,203

Median home value

$109,500$148,200

Median gross rent

$663$634

Year	Population	Median household income	Median home value	Median gross rent
2019	12,494	$52,774	$109,500	$663
2020	12,391	$55,363	$117,500	$637
2021	13,238	$58,502	$122,300	$635
2022	13,313	$63,295	$141,200	$630
2023	13,350	$65,203	$148,200	$634

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.2%

5 to 1713.5%

18 to 249.6%

25 to 3413.1%

35 to 4412.6%

45 to 5411.7%

55 to 6414.7%

65 to 7411.7%

75 and over8.7%

	Count	Share
Under 5	567	4.2%
5 to 17	1,807	13.5%
18 to 24	1,286	9.6%
25 to 34	1,747	13.1%
35 to 44	1,688	12.6%
45 to 54	1,566	11.7%
55 to 64	1,964	14.7%
65 to 74	1,566	11.7%
75 and over	1,159	8.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	10,813	81.0%
Black or African American	1,006	7.5%
American Indian & Alaska Native	0	0.0%
Asian	33	0.2%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	931	7.0%
Hispanic or Latino (any race)	567	4.2%

Educational attainment (age 25+)

No high school diploma14.1%

High school graduate32.7%

Some college or associate's34.4%

Bachelor's degree12.2%

Graduate or professional degree6.6%

	Count	Share
No high school diploma	1,363	14.1%
High school graduate	3,167	32.7%
Some college or associate's	3,337	34.4%
Bachelor's degree	1,187	12.2%
Graduate or professional degree	636	6.6%

Commute to work

Mean travel time to work: 27 min

Drove alone86.1%

Carpooled6.8%

Public transit0.0%

Walked0.3%

Bicycle0.0%

Worked from home5.5%

Other means1.2%

How workers get to work

	Count	Share
Drove alone	3,908	86.1%
Carpooled	309	6.8%
Public transit	1	0.0%
Walked	15	0.3%
Bicycle	0	0.0%
Worked from home	248	5.5%
Other means	56	1.2%

Travel time

	Count	Share
Under 15 min	948	22.1%
15 to 29 min	1,165	27.2%
30 to 44 min	1,507	35.1%
45 to 59 min	481	11.2%
60+ min	188	4.4%

Households

Average household size: 2.78
Poverty rate: 16.7% (1,903 of 11,418)

	Count	Share
Family households	2,634	63.7%
Nonfamily households	1,499	36.3%

Housing

Median year structure built: 1985

Occupancy

	Count	Share
Occupied	4,133	74.6%
Vacant	1,405	25.4%

Tenure (of occupied units)

	Count	Share
Owner-occupied	3,499	84.7%
Renter-occupied	634	15.3%

1-unit, detached70.3%

1-unit, attached0.3%

2 to 4 units3.3%

5 to 19 units1.9%

20 or more units1.0%

Mobile home & other23.3%

Units in structure

	Count	Share
1-unit, detached	3,891	70.3%
1-unit, attached	16	0.3%
2 to 4 units	182	3.3%
5 to 19 units	106	1.9%
20 or more units	55	1.0%
Mobile home & other	1,288	23.3%

Geography

County GEOID: 17087
State: Illinois
Land area: 344 sq mi
Water area: 4.95 sq mi
Center point: 37.4607, -88.8821

Cities & places

Compare with nearby counties

Other counties in Illinois

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