Johnson County, Illinois Population 2019

Johnson County, Illinois's estimated population is 12,900 with a growth rate of -0.47% in the past year according to the most recent United States census data. Johnson County, Illinois is the 82nd largest county in Illinois.

Year Population Growth Growth Rate
201712,900-61-0.47%
201612,961850.66%
201512,876-13-0.10%
201412,889200.16%
201312,86990.07%
201212,86050.04%
201112,8552461.95%
201012,6091,26211.12%
199011,3471,72317.90%
19809,6242,07427.47%
19707,5506228.98%
19606,928-1,801-20.63%
19508,729-1,998-18.63%
194010,7275245.14%
193010,203-1,819-15.13%
192012,022-2,309-16.11%
191014,331-1,336-8.53%
190015,6676544.36%
189015,0131,93514.80%
188013,0781,83016.27%
187011,2481,90620.40%
18609,3425,228127.08%
18504,11448813.46%
18403,6262,030127.19%
18301,59675389.32%
18208430.00%

Johnson County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White11,302
Black or African American1,459
Two or More Races78
Some Other Race24
Asian23
American Indian and Alaska Native13

Johnson County, Illinois Population Pyramid 2019

Johnson County, Illinois Median Age

42.5


Total

39.7


Male

46.9


Female

Johnson County, Illinois Adults

There are 10,563 adults, (2,508 of whom are seniors) in Johnson County, Illinois.

Johnson County, Illinois Age Dependency

60.1

Age Dependency Ratio

31.1

Old Age Dependency Ratio

29

Child Dependency Ratio

Johnson County, Illinois Sex Ratio

Female

5,557

43.08%

Male

7,342

56.92%

Johnson County, Illinois Households and Families

Johnson County, Illinois Renter vs Owner Occupied by Household Type

Johnson County, Illinois Household Types

Type Owner Renter
Married92.9%7.1%
All81.5%18.5%
Male71.4%28.6%
Non Family70.6%29.4%
Female57.4%42.6%

81.5%

Rate of Home Ownership

Type Count Average Size Owned
All4,4862.3781.5
Married2,4372.9292.9
Non Family1,4091.1370.6
Female4372.9957.4
Male2033.0371.4

2.88

Average Family Size

2.37

Average Household Size

2.5%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Johnson County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade4034.29%
9th to 12th Grade1,18612.61%
High School Graduate2,99531.85%
Some College2,56227.24%
Associates Degree7367.83%
Bachelors Degree1,02210.87%
Graduate Degree5005.32%

Johnson County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White7,8656,9931,500
Black1,2086546
Hispanic2881314
Multiple Races39246
Other Race2121
Asian16166
Native American1010

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 37.50%.

Name Average Male Female
Overall$32,459$41,148$27,242
Less Than High School$17,083$$20,329
High School Grad$23,368$39,010$14,106
Some College$31,823$41,335$28,355
Bachelors Degree$42,847$53,942$32,069
Graduate Degree$57,188$47,159$57,734

$32,459

Average Earnings

$41,148

Average Male

$27,242

Average Female

Johnson County, Illinois Language

Johnson County, Illinois Language by Age

Johnson County, Illinois Language

96.93% of Johnson County, Illinois residents speak only English, while 3.07% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.29% of the population.

Johnson County, Illinois Poverty

Johnson County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White10,3321,42613.80%
Hispanic1322317.42%
Multiple601321.67%
Asian23730.43%
Black16743.75%

13.90%

Overall Poverty Rate

12.43%

Male Poverty Rate

15.26%

Female Poverty Rate

Poverty in Johnson County, Illinois

The race most likely to be in poverty in Johnson County, Illinois is Black, with 43.75% below the poverty level.

The race least likely to be in poverty in Johnson County, Illinois is White, with 13.80% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.09%. Among those working part-time, it was 15.18%, and for those that did not work, the poverty rate was 17.64%.

Name Poverty
Less Than High School25.27%
High School14.93%
Some College11.21%
Bachelors or Greater5.61%
Name Poverty
Female Unemployed36.60%
Male Unemployed30.65%
Female Employed9.62%
Male Employed6.61%

Johnson County, Illinois Income

Johnson County, Illinois Income by Household Type

Name Median Mean
Households$45,743$59,000
Families$57,694$70,286
Married Families$65,407$
Non Families$21,518$32,075

Johnson County, Illinois Marital Status

Johnson County, Illinois Marital Status

Marriage Rates

50.7%

Overall Marriage Rate

45.9%

Male Marriage Rate

57.3%

Female Marriage Rate

Johnson County, Illinois Married by Age and Sex

Johnson County, Illinois Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Johnson County, Illinois Marital Status by Race

Johnson County, Illinois Veterans

1,096

Number of Veterans

1,052

Male Veterans

44

Female Veterans

War Veterans
Vietnam406
First Gulf War182
Korea149
Second Gulf War94
World War II57

Johnson County, Illinois Veterans by Race

Name Veterans % of Total
White1,08712.10%
Hispanic61.73%
Black50.34%
Indian323.08%
2 or More11.79%

Johnson County, Illinois Veterans by Education

8.78%

Veteran Poverty Rate

34.49%

Veteran Disability Rate

Johnson County, Illinois Employment Status

41.5%

Labor Force Participation

38.2%

Employment Rate

7.5%

Unemployment Rate

Population of Cities in Johnson County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Marion 17216178266103.54%
Vienna1434169726318.34%
Goreville10501069191.81%
Cypress23423841.71%
New Burnside21121431.42%
Buncombe20320631.48%
Belknap10410621.92%
Simpson606111.67%
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990