Johnston City, Illinois Population 2021

3,307
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Johnston City is a city located in Williamson County Illinois. With a 2020 population of 3,307, it is the 402nd largest city in Illinois and the 5938th largest city in the United States . Johnston City is currently declining at a rate of -1.22% annually and its population has decreased by -6.66% since the most recent census, which recorded a population of 3,543 in 2010. Johnston City reached it's highest population of 7,137 in 1920. Spanning over 2 miles, Johnston City has a population density of 1,563 people per square mile.

The average household income in Johnston City is $54,193 with a poverty rate of 8.93%. The median rental costs in recent years comes to $532 per month, and the median house value is $65,800. The median age in Johnston City is 42.6 years, 35.5 years for males, and 44.8 years for females.

Johnston City Demographics

According to the most recent ACS, the racial composition of Johnston City was:

  • White: 98.14%
  • Asian: 1.28%
  • Native American: 0.58%
  • Black or African American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
  • Two or more races: 0.00%
The current population of Johnston City, Illinois is 3,307 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 3,430.The last official US Census in 2010 recorded the population at 3,543.

Johnston City, Illinois Population 2021

Population by Race

Race Population Percentage
White3,38698.14%
Asian441.28%
American Indian and Alaska Native200.58%
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Johnston City Population by Race

Johnston City Population Pyramid $2021

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Johnston City Median Age

42.6


Total

35.5


Male

44.8


Female

Johnston City Adults

There are 2,777 adults, (683 of whom are seniors) in Johnston City.

Johnston City Age Dependency

64.8

Age Dependency Ratio

32.6

Old Age Dependency Ratio

32.1

Child Dependency Ratio

Johnston City Sex Ratio

Female

1,673

48.49%

Male

1,777

51.51%

Johnston City Population by Age

Johnston City Renter vs Owner Occupied by Household Type

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Johnston City Household Types

Type Owner Renter
Male100%0%
Married88.7%11.3%
All79.4%20.6%
Female76.2%23.8%
Non Family68.7%31.3%

79.4%

Rate of Home Ownership

Johnston City Households and Families

Type Count Average Size Owned
All1,3922.4779.4
Non Family5011.0468.7
Married4963.0288.7
Female3113.2476.2
Male844.9100

3.16

Average Family Size

2.47

Average Household Size

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Johnston City Households by Type

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Education Attained Count Percentage
Less Than 9th Grade421.71%
9th to 12th Grade1174.76%
High School Graduate84734.46%
Some College68327.79%
Associates Degree41116.72%
Bachelors Degree27811.31%
Graduate Degree803.25%
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Johnston City Educational Attainment by Sex (over 25)

Johnston City Educational Attainment by Race

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Race Total High School Bachelors
White2,4162,277358
Hispanic2222
Native American20

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

The highest rate of bachelors degrees is among white people with a rate of 14.82%.

Johnston City Educational Attainment by Race

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Name Average Male Female
Overall$39,139$44,375$38,542
Less Than 9th Grade$$$
High School Graduate$32,540$45,652$15,605
Some College$42,056$60,918$39,647
Bachelors Degree$$21,607$50,918
Graduate Degree$$$

$39,139

Average Earnings

$44,375

Average Male

$38,542

Average Female

Johnston City Earnings by Educational Attainment

Johnston City Language by Age

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Johnston City Language

98.09% of Johnston City residents speak only English, while 1.91% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.24% of the population.

Johnston City Language

Johnston City Poverty by Race

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8.93%

Overall Poverty Rate

9.94%

Male Poverty Rate

7.89%

Female Poverty Rate

Poverty in Johnston City

The race most likely to be in poverty in Johnston City is White, with 9.29% below the poverty level.

The race least likely to be in poverty in Johnston City is White, with 9.29% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 4.96%, and for those that did not work, the poverty rate was 21.10%.

Johnston City Poverty

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Name Poverty
High School17.71%
Less Than 9th Grade12.58%
Bachelors or Greater11.17%
Some College2.56%

Johnston City Poverty Rate by Education

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Rate Poverty
Female Unemployed100.00%
Male Unemployed25.00%
Female Employed1.81%
Male Employed0.45%

Johnston City Poverty Rate by Employment Status and Sex

Johnston City Income by Household Type

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Name Median Mean
Households$38,696$54,193
Families$70,449$66,843
Married Families$71,833-
Non Families$24,564$29,531
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Income by Household Type

Johnston City Marital Status

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Marriage Rates

36.6%

Overall Marriage Rate

40.6%

Male Marriage Rate

33.3%

Female Marriage Rate

Johnston City Married by Age and Sex

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Johnston City Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.

Johnston City Marital Status by Race

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Johnston City Marital Status

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340

Number of Veterans

271

Male Veterans

69

Female Veterans

War Veterans
Vietnam163
First Gulf War57
World War II
Korea
Second Gulf War

Johnston City Veterans by War

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Age Group Veterans
65 to 74132
55 to 64100
35 to 5484
75+24
18 to 34

Johnston City Veterans by Age

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Johnston City Veterans by Race

Johnston City Veterans by Education

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30.59%

Veteran Poverty Rate

35.00%

Veteran Disability Rate

Johnston City Veterans by Education

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59.7%

Labor Force Participation

56.1%

Employment Rate

6.1%

Unemployment Rate

Johnston City Employment by Age

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Johnston City Employment by Race

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Johnston City Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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78.29%

Born in Johnston City

97.94%

Native Born

2.06%

Foreign Born

0.00%

Non Citizen

2.06%

Naturalized

Place of Birth

97.94% of Johnston City residents were born in the United States, with 78.29% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Johnston City Place of Birth

Year Population Growth Annual Growth Rate
20213,307-41-1.22%
20203,348-41-1.21%
20193,389-41-1.20%
20183,430-17-0.49%
20173,447-37-1.06%
20163,484-16-0.46%
20153,500-7-0.20%
20143,507-24-0.68%
20133,531-5-0.14%
20123,536-25-0.70%
20113,561-4-0.11%
20103,56580.02%
20003,557-149-0.41%
19903,706-167-0.44%
19803,873-55-0.14%
19703,928370.09%
19603,891-588-1.40%
19504,479-939-1.89%
19405,418-537-0.94%
19305,955-1,182-1.79%
19207,1373,8898.19%
19103,2480.00%

Johnston City Population by Year