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COUNTY · 2010 ACS

Johnson County

Illinois · 12,582 residents · 343.736 sq mi
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The short version

Johnson County has lower-than-average household income, with a median household income of $41,619. Population has held roughly steady since 2000. 13% of adults hold a bachelor's degree or higher, below the national rate of 28%. Median home value is $94,700. With a median age of 42.2, the population is older than the US median of 37.2. Households here earn about 25% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $52,703
Older
median age 42.2
US median: 37.2
Less educated
13% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
12,582
−2%since 2000
from 12,878 in 2000
1990 – 2025
Population density
37 / sq mi
−2%since 2000
from 37 / sq mi in 2000
US average: 261
Median age
42.2
+15%since 2000
from 36.7 in 2000
US average: 37.2
Population, 1990 – 2024
11K12K13K13K14K1990201020202024Johnson County
202413K
1990201020202024
Section 02

Income & economy

Median household income
$41,619
−1%inflation adjusted, since 2000
from $33,326 in 2000
US average: $52,703
1990 – 2024
Per capita income
$16,402
−9%since 2000
from $17,990 in 2000
US average: $27,286
Households earning $100K+
19.5%
−1.6 ptssince 2009
from 21.2% in 2009
US average: 33.3%
Poverty rate
13.6%
+2.2 ptssince 2000
from 11.3% in 2000
US average: 13.8%
Income inequality (Gini)
0.398
US average: 0.461
Workforce by industry, 2010
Information12.9%
US avg: 11.5%
Retail trade7.4%
US avg: 10.9%
Finance & insurance5.2%
US avg: 5.1%
Other services4.8%
US avg: 7%
Public administration4.8%
US avg: 4.9%
Professional, scientific, technical4.1%
US avg: 4.2%
Agriculture, forestry, fishing3.2%
US avg: 1.9%
Wholesale trade3.2%
US avg: 7.2%
Construction2.3%
US avg: 1.4%
Transportation & warehousing1.2%
US avg: 3.1%
Education & health services1.1%
US avg: 0.9%
Arts, entertainment, food0.9%
US avg: 2.4%
Manufacturing0.9%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$94,700
+18%inflation adjusted, since 2000
from $63,400 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$427
−4%inflation adjusted, since 2000
from $351 in 2000
US average: $853
Owner-occupied
43.4%
−41.3 ptssince 2000
from 84.7% in 2000
18.1% rent
Vacancy rate
19.6%
+1.1 ptssince 2009
from 18.5% in 2009
US average: 12.1%
Owner cost-burdened
18.3%
+1.7 ptssince 2009
from 16.5% in 2009
US average: 30.9%
Renter cost-burdened
25.9%
−2.4 ptssince 2009
from 28.3% in 2009
US average: 46.8%
Afford Score
2.3
+20%since 2000
from 1.9 in 2000
1990 – 2024
RELATED:See current rent listings in Johnson County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic81.9%(10,553)
Black14.1%(1,821)
Hispanic / Latino2.9%(368)
Asian0.1%(17)
Other0%
Diversity Score36.8%(4,744)
2010
White, non-Hispanic87.9%(11,056)
Black8%(1,004)
Hispanic / Latino3%(376)
Asian0.2%(21)
Other0.6%(81)
Diversity Score26.9%(3,383)
Diversity Score
27
−27%since 2000
from 37 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
12.8%
+1.1 ptssince 2000
from 11.7% in 2000
US average: 27.9%
High school or higher
78.0%
+10.9 ptssince 2000
from 67.1% in 2000
US average: 84.9%
Graduate degree
3.4%
−0.9 ptssince 2000
from 4.4% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
25.6 min
+30%since 2000
from 19.7 min in 2000
US average: 25.2
Drive alone to work
85.9%
+2.3 ptssince 2009
from 83.7% in 2009
US average: 76.2%
Carpooled to work
7.2%
−1.2 ptssince 2009
from 8.5% in 2009
US average: 10.4%
Public transit
1.1%
+0.8 ptssince 2009
from 0.3% in 2009
US average: 4.7%
Worked from home
2.9%
−1.0 ptssince 2009
from 4.0% in 2009
US average: 4.1%
Walked to work
1.7%
−0.5 ptssince 2009
from 2.2% in 2009
US average: 2.8%
Biked to work
0.1%
+0.1 ptssince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
3.6%
−0.4 ptssince 2009
from 4.0% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
20.3%
+4.4 ptssince 2009
from 15.9% in 2009
US average: 12.9%
Management & professional
32.4%
−21.8 ptssince 2009
from 54.2% in 2009
US average: 35.2%
Section 08

People & community

Male
56.2%
−4.4 ptssince 2009
from 60.6% in 2009
Female
43.8%
+4.4 ptssince 2009
from 39.4% in 2009
Foreign born
2.3%
−0.1 ptssince 2009
from 2.4% in 2009
US average: 12.8%
Veterans
11.7%
−50.7 ptssince 2009
from 62.4% in 2009
US average: 9.9%
Drill deeper

Places similar to Johnson County

Ford County
Pop 13,216
Bleckley County
Pop 12,866
Charlton County
Pop 13,121
Franklin County
Pop 13,029
Places similar to Johnson County
Head to head

Compare Johnson County to nearby counties

JOHNSON COUNTY VS
Williamson County
Income$65,604+58%
Home value$156,400+65%
Population67,225+403%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Pope County
Income$60,050+44%
Home value$143,800+52%
Population3,672−73%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Massac County
Income$65,116+56%
Home value$121,900+29%
Population13,502+1%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Union County
Income$55,728+34%
Home value$131,700+39%
Population16,656+25%
SEE FULL COMPARISON →
Frequently asked

How many people live in Johnson County, Illinois?

Johnson County, Illinois has about 12,582 residents according to the 2010 American Community Survey.

What is the median household income in Johnson County, Illinois?

The typical household in Johnson County, Illinois earns about $41,619 a year. Half of households make more than that, and half make less.

Is Johnson County, Illinois expensive?

In Johnson County, Illinois, the median home is worth about $94,700, and the typical rent is about $427 a month.

How educated are people in Johnson County, Illinois?

About 12.8% of adults age 25 and over in Johnson County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Johnson County, Illinois?

About 13.6% of people in Johnson County, Illinois live below the federal poverty line.

Has Johnson County, Illinois grown since 1990?

Yes, Johnson County, Illinois has grown since 1990. The population has added about 1,235 residents, a change of about 11 percent over that period.

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Explore from here

4 census tracts
Census Tract 9776Census Tract 9778Census Tract 9777Census Tract 9800
7 ZIP codes
ZIP 62995ZIP 62939ZIP 62912ZIP 62972ZIP 62923ZIP 62943ZIP 62967
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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