Johnson County, Illinois Population 2018

Johnson County, Illinois's estimated population is 12,900 with a growth rate of 0.26% 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
201712,900340.26%
201612,866-95-0.73%
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
White11,439
Black or African American1,245
Two or More Races106
Asian32
Some Other Race22
American Indian and Alaska Native22

Race Data via US Census (2016 ACS 5-Year Survey)

Johnson County, Illinois Population Pyramid 2018

0%2%4%6%8%10% Male Population0%2%4%6%8%10% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Johnson County, Illinois Median Age

42.9


Total

40.7


Male

46.4


Female

Johnson County, Illinois Adults

There are 10,550 adults, (2,445 of which are seniors) in Johnson County, Illinois.

Johnson County, Illinois Age Dependency

58.8

Age Dependency Ratio

30.2

Old Age Dependency Ratio

28.6

Child Dependency Ratio

Johnson County, Illinois Sex Ratio

Female

5,544

43.09%

Male

7,322

56.91%

Johnson County, Illinois Households and Families

Johnson County, Illinois Renter vs Owner Occupied by Household Type

Johnson County, Illinois Household Types

Type Owner Renter
Married93.3%6.7%
All82.9%17.1%
Male75.9%24.1%
Non Family72.1%27.9%
Female60.4%39.6%

82.9%

Rate of Home Ownership

Johnson County, Illinois Households by Type

Type Count Average Size Owned
All4,5032.4182.9
Married2,4422.9993.3
Non Family1,4461.1472.1
Female3663.0660.4
Male2493.1775.9

2.97

Average Family Size

2.41

Average Household Size

2.3%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Johnson County, Illinois Households

Johnson County, Illinois Education

Johnson County, Illinois Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade4134.42%
9th to 12th Grade1,14112.21%
High School Graduate2,89030.92%
Some College2,54127.19%
Associates Degree8048.60%
Bachelors Degree1,05611.30%
Graduate Degree5025.37%

Johnson County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White8,0437,1021,514
Black97248720
Hispanic2711468
Multiple Races48359
Asian23237
Other Race1919
Native American1414

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 30.43%.

Johnson County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$30,812$36,813$26,506
Less Than High School$13,472$12,614$19,063
High School Grad$23,784$32,361$13,413
Some College$30,697$40,481$26,281
Bachelors Degree$40,196$42,440$35,250
Graduate Degree$57,692$44,375$58,125

$30,812

Average Earnings

$36,813

Average Male

$26,506

Average Female

Johnson County, Illinois Language

Johnson County, Illinois Language by Age

Johnson County, Illinois Language

97.30% of Johnson County, Illinois residents speak only English, while 2.70% speak other languages. The largest non-English language is Spanish, which is spoken by 1.92% of the population.

Johnson County, Illinois Poverty

Johnson County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White10,4541,32312.66%
Hispanic1672716.17%
Black501122.00%
Multiple861011.63%
Asian3239.38%

12.61%

Overall Poverty Rate

11.40%

Male Poverty Rate

13.78%

Female Poverty Rate

Poverty in Johnson County, Illinois

The race most likely to be in poverty in Johnson County, Illinois is Black, with 22.00% below the poverty level.

The race least likely to be in poverty in Johnson County, Illinois is Asian, with 9.38% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.71%. Among those working part-time, it was 15.17%, and for those that did not work, the poverty rate was 17.20%.

Johnson County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School26.38%
High School13.04%
Some College11.96%
Bachelors or Greater3.64%

Johnson County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed31.13%
Male Unemployed19.93%
Female Employed8.78%
Male Employed6.58%

Johnson County, Illinois Income

Johnson County, Illinois Income by Household Type

Name Median Mean
Households$44,179$57,563
Families$58,325$69,589
Married Families$63,813$
Non Families$20,688$31,362

Johnson County, Illinois Marital Status

Johnson County, Illinois Marital Status

Marriage Rates

50.4%

Overall Marriage Rate

46.2%

Male Marriage Rate

56.2%

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 Over65, while the female age group most likely to be married is 55To64.

Johnson County, Illinois Marital Status by Race

Johnson County, Illinois Veterans

Johnson County, Illinois Veterans by War

1,195

Number of Veterans

1,150

Male Veterans

45

Female Veterans

Name Veterans
Vietnam420
First Gulf War228
Korea138
Second Gulf War131
World War II72

Johnson County, Illinois Veterans by Age

Name Veterans
65 to 74330
75+276
35 to 54272
55 to 64221
18 to 3496

Johnson County, Illinois Veterans by Race

Name Veterans % of Total
White1,17812.85%
Hispanic82.26%
2 or More810.13%
Indian522.73%
Black40.32%

Johnson County, Illinois Veterans by Education

7.87%

Veteran Poverty Rate

30.79%

Veteran Disability Rate

Johnson County, Illinois Employment Status

Johnson County, Illinois Employment by Age

43.9%

Labor Force Participation

39.9%

Employment Rate

8.9%

Unemployment Rate

Johnson County, Illinois Employment by Race

Johnson County, Illinois Employment by Education

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%
Data Sources
  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