Johnson County, Illinois's estimated 2024 population is 13,261 with a growth rate of -0.49% in the past year according to the most recent United States census data. Johnson County, Illinois is the 77th largest county in Illinois. The 2010 population was 12,598 and has seen a growth of 5.26% since that time.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 12,936 | -65 | -0.5% |
| 2028 | 13,001 | -65 | -0.5% |
| 2027 | 13,066 | -65 | -0.5% |
| 2026 | 13,131 | -65 | -0.49% |
| 2025 | 13,196 | -65 | -0.49% |
| 2024 | 13,261 | -65 | -0.49% |
| 2023 | 13,326 | -65 | -0.49% |
| 2022 | 13,391 | -81 | -0.6% |
| 2021 | 13,472 | 154 | 1.16% |
| 2020 | 13,318 | 938 | 7.58% |
| 2019 | 12,380 | 0 | 0% |
| 2018 | 12,380 | -14 | -0.11% |
| 2017 | 12,394 | -51 | -0.41% |
| 2016 | 12,445 | -323 | -2.53% |
| 2015 | 12,768 | -114 | -0.88% |
| 2014 | 12,882 | 21 | 0.16% |
| 2013 | 12,861 | 10 | 0.08% |
| 2012 | 12,851 | 2 | 0.02% |
| 2011 | 12,849 | 251 | 1.99% |
| 2010 | 12,598 | 0 | 0% |
| 1990 | 11,347 | 1,723 | 17.9% |
| 1980 | 9,624 | 2,074 | 27.47% |
| 1970 | 7,550 | 622 | 8.98% |
| 1960 | 6,928 | -1,801 | -20.63% |
| 1950 | 8,729 | -1,998 | -18.63% |
| 1940 | 10,727 | 524 | 5.14% |
| 1930 | 10,203 | -1,819 | -15.13% |
| 1920 | 12,022 | -2,309 | -16.11% |
| 1910 | 14,331 | -1,336 | -8.53% |
| 1900 | 15,667 | 654 | 4.36% |
| 1890 | 15,013 | 1,935 | 14.8% |
| 1880 | 13,078 | 1,830 | 16.27% |
| 1870 | 11,248 | 1,906 | 20.4% |
| 1860 | 9,342 | 5,228 | 127.08% |
| 1850 | 4,114 | 488 | 13.46% |
| 1840 | 3,626 | 2,030 | 127.19% |
| 1830 | 1,596 | 753 | 89.32% |
| 1820 | 843 | -12,093 | -93.48% |
Race | Population | Percentage (of total) |
|---|---|---|
| White | 10,971 | 82.18% |
| Two or more races | 1,236 | 9.26% |
| Black or African American | 1,010 | 7.57% |
| Other race | 100 | 0.75% |
| Asian | 33 | 0.25% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Black or African American
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 4,133 | 2.78 | 84.7 | 15.3 |
| Married | 2,072 | 3.41 | 92.8 | 7.2 |
| Non Family | 1,499 | 1.3 | 79.8 | 20.2 |
| Female | 407 | 4.08 | 60.7 | 39.3 |
| Male | 155 | 5.26 | 85.8 | 14.2 |
3.46
Average Family Size
2.78
Average Household Size
84.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 1,102 | 11.37% |
| Associates Degree | 1,038 | 10.71% |
| Bachelors Degree | 1,187 | 12.25% |
| Graduate Degree | 636 | 6.56% |
| High School Graduate | 3,167 | 32.68% |
| Less Than 9th Grade | 261 | 2.69% |
| Some College | 2,299 | 23.73% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 7,965 | 7,093 | 1,624 |
| Black | 883 | 500 | 4 |
| 2+ Races | 654 | 620 | 131 |
| Hispanic | 385 | 300 | 53 |
| Other Race | 24 | 14 | 0 |
| Asian | 22 | 17 | 15 |
The highest rate of high school graduation is among 2+ races people with a rate of 94.8%.
The highest rate of bachelors degrees is among asian people with a rate of 68.18%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $68,883 | $83,053 | $48,387 |
| Graduate Degree | $84,732 | $115,729 | $76,719 |
| High School Graduate | $36,048 | $43,081 | $24,634 |
| Less Than 9th Grade | $30,197 | $31,842 | $20,417 |
| Overall | $43,021 | $53,922 | $35,830 |
| Some College | $40,885 | $50,179 | $35,818 |
$43,021
Average Earnings
$53,922
Average Male
$35,830
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
96.89% of Johnson County, Illinois residents speak only English, while 3.11% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.92% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 9,922 | 1,423 | 14.34% |
| Multiple | 1,188 | 423 | 35.61% |
| Hispanic | 436 | 54 | 12.39% |
| Black | 100 | 30 | 30% |
| Asian | 33 | 16 | 48.48% |
16.67%
Overall Poverty Rate
15.15%
Male Poverty Rate
18.22%
Female Poverty Rate
The race most likely to be in poverty in Johnson County, Illinois is Asian, with 48.48% below the poverty level.
The race least likely to be in poverty in Johnson County, Illinois is Hispanic, with 12.39% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.27%. Among those working part-time, it was 13.07%, and for those that did not work, the poverty rate was 22.28%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 30.31% |
| High School | 16.56% |
| Some College | 12.55% |
| Bachelors or Greater | 3.08% |
rate
Rate | Poverty |
|---|---|
| Male Unemployed | 11.49% |
| Female Employed | 10.41% |
| Male Employed | 3.66% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $77,213 | $89,276 |
| Households | $65,203 | $77,971 |
| Married Families | $90,357 | $-999,999,999 |
| Non Families | $39,566 | $54,571 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
40.9%
Overall Marriage Rate
35.9%
Male Marriage Rate
48.0%
Female Marriage Rate
male
female
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
843
Number of Veterans
759
Male Veterans
84
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 282 |
| Second Gulf War | 163 |
| First Gulf War | 147 |
| Korea | 54 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 267 |
| 65 to 74 | 205 |
| 55 to 64 | 164 |
| 35 to 54 | 159 |
| 18 to 34 | 48 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 817 | 9.19% |
| 2+ Races | 26 | 2.55% |
| Hispanic | 3 | 0.66% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
6.12%
Veteran Poverty Rate
51.44%
Veteran Disability Rate
LaborForceParticipation
41.8%
Labor Force Participation
40.7%
Employment Rate
2.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
72.55%
Born in Johnson County, Illinois
99.09%
Native Born
0.91%
Foreign Born
0.44%
Non Citizen
0.46%
Naturalized
99.09% of Johnson County, Illinois residents were born in the United States, with 72.55% having been born in Illinois. 0.44% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.