Johnson County Summary

Life in Johnson County research summary. HomeSnacks has been researching the quality of life in Johnson County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Johnson County:

  • The population in Johnson County is 13,313.

  • The median home value in Johnson County is $164,855.

  • The median income in Johnson County is $63,295.

  • The median rent in Johnson County is $630.

  • The unemployment rate in Johnson County is 2.9%.

  • The poverty rate in Johnson County is 16.5%.

  • The average high in Johnson County is 74.4° and there are 114.9 inches of rainfall annually.

Cities & Towns in Johnson County

List Of Cities & Towns in Johnson County

Marion, IL Population 16,867

Vienna, IL Population 2,319

Goreville, IL Population 1,146

Buncombe, IL Population 391

Cypress, IL Population 223

New Burnside, IL Population 162

Belknap, IL Population 138

Simpson, IL Population 52

Map Of Johnson County

Johnson County, IL Weather

  • The average high in Johnson County is 74.4°.

  • There are 82.28 nice days each year.

  • Expect an average of 114.9 inches of rain each year with 4.0 inches of snow.

  • There is an average of 5:16 hours of sun each day in Johnson County.

StatJohnson County
Mean High74.4
Nice Days82.28
Rainfall114.9
Snowfall4.0
Sunny_hours5:16
74.4°
Average High
114.9
Inches of Rain

Johnson County Photos

Marionc Il  Pan
Source: Public Domain

Johnson County Demographics

Population over time in Johnson County

The current population in Johnson County is 13,313. The population has increased 6.0% from 2019.

Year Population % Change
2022 13,238 6.8%
2021 12,391 -0.8%
2020 12,494 -

Gender in Johnson County

  • Johnson County is 41.6% female with 5,534 female residents.

  • Johnson County is 58.4% male with 7,779 male residents.

Female
41.6% (5,534)
Male
58.4% (7,779)
Gender Johnson County IL USA
Female 41.6% 50.5% 50.4%
Male 58.4% 49.5% 49.6%

Race / Ethnicity in Johnson County

Johnson County is:

  • 81.5% White with 10,849 White residents.

  • 8.8% African American with 1,178 African American residents.

  • 0.0% American Indian with 0 American Indian residents.

  • 0.3% Asian with 42 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.1% Other with 10 Other residents.

  • 5.2% Two Or More with 697 Two Or More residents.

  • 4.0% Hispanic with 537 Hispanic residents.

White
81.5% (10,849)
African American
8.8% (1,178)
American Indian
0.0% (0)
Asian
0.3% (42)
Hawaiian
0.0% (0)
Other
0.1% (10)
Two Or More
5.2% (697)
Hispanic
4.0% (537)

Table: Johnson County By Race

Race Johnson County IL USA
White 81.5% 59.6% 58.9%
African American 8.8% 13.7% 12.1%
American Indian 0.0% 0.1% 0.6%
Asian 0.3% 5.7% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.1% 0.3% 0.4%
Two Or More 5.2% 2.8% 3.5%
Hispanic 4.0% 17.8% 18.7%

Household Income For Johnson County, Illinois

  • 4.5% of households in Johnson County earn Less than $10,000.

  • 5.5% of households in Johnson County earn $10,000 to $14,999.

  • 5.7% of households in Johnson County earn $15,000 to $24,999.

  • 12.3% of households in Johnson County earn $25,000 to $34,999.

  • 11.0% of households in Johnson County earn $35,000 to $49,999.

  • 18.9% of households in Johnson County earn $50,000 to $74,999.

  • 14.5% of households in Johnson County earn $75,000 to $99,999.

  • 19.5% of households in Johnson County earn $100,000 to $149,999.

  • 4.4% of households in Johnson County earn $150,000 to $199,999.

  • 3.6% of households in Johnson County earn $200,000 or more.

Less than $10,000
4.5% (599)
$10,000 to $14,999
5.5% (732)
$15,000 to $24,999
5.7% (765)
$25,000 to $34,999
12.3% (1,634)
$35,000 to $49,999
11.0% (1,462)
$50,000 to $74,999
18.9% (2,522)
$75,000 to $99,999
14.5% (1,935)
$100,000 to $149,999
19.5% (2,593)
$150,000 to $199,999
4.4% (590)
$200,000 or more
3.6% (476)
Income Johnson County IL USA
Less than $10,000 4.5% 5.3% 4.9%
$10,000 to $14,999 5.5% 3.5% 3.8%
$15,000 to $24,999 5.7% 6.7% 7.0%
$25,000 to $34,999 12.3% 7.1% 7.4%
$35,000 to $49,999 11.0% 10.1% 10.7%
$50,000 to $74,999 18.9% 15.4% 16.1%
$75,000 to $99,999 14.5% 12.9% 12.8%
$100,000 to $149,999 19.5% 17.6% 17.1%
$150,000 to $199,999 4.4% 9.4% 8.8%
$200,000 or more 3.6% 12.1% 11.4%

Highest level of educational attainment in Johnson County for adults over 25

  • 4.0% of adults in Johnson County completed < 9th grade.

  • 11.0% of adults in Johnson County completed 9-12th grade.

  • 33.0% of adults in Johnson County completed high school / ged.

  • 24.0% of adults in Johnson County completed some college.

  • 11.0% of adults in Johnson County completed associate's degree.

  • 12.0% of adults in Johnson County completed bachelor's degree.

  • 3.0% of adults in Johnson County completed master's degree.

  • 1.0% of adults in Johnson County completed professional degree.

  • 1.0% of adults in Johnson County completed doctorate degree.

< 9th Grade
4% (532)
9-12th Grade
11% (1,464)
High School / GED
33% (4,393)
Some College
24% (3,195)
Associate's Degree
11% (1,464)
Bachelor's Degree
12% (1,597)
Master's Degree
3% (399)
Professional Degree
1% (133)
Doctorate Degree
1% (133)
Education Johnson County IL USA
< 9th Grade 4% 6% 3%
9-12th Grade 11% 5% 6%
High School / GED 33% 25% 26%
Some College 24% 20% 20%
Associate's Degree 11% 8% 9%
Bachelor's Degree 12% 22% 21%
Master's Degree 3% 11% 10%
Professional Degree 1% 2% 2%
Doctorate Degree 1% 1% 2%

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