Johnston City, IL demographics:
population, income, and more

Total population
3,327
-0.7% year-over-year change
Median household income
$42,465/yr
-8.9% year-over-year change
Housing units
1,581
-7.4% year-over-year change

Johnston City population

How many people live in Johnston City

Johnston City is home to 3,327 residents, according to the most recent Census data. Gender-wise, 46.5% of Johnston City locals are male, and 53.5% are female.

Total population
3,327
-0.7% year-over-year change
Gender ratio
Male
46.5%
1,548
Female
53.5%
1,779
Value Percent YoY change
Male 1,548 46.5% -7.7%
Female 1,779 53.5% 6.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Johnston City is 38, with the population distributed as follows: about 16.3% are children under 15, then 17.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.6% of the population, while another 25.9% fall into the 45 to 64 bracket. Finally, around 16.7% are 65 or older.

Median age
38.3
Age breakdown
Under 15
16.3%
15 to 24
17.4%
25 to 44
23.6%
45 to 64
25.9%
Over 65
16.7%
Value Percent YoY change
Under 15 543 16.3% 12.0%
15 to 24 580 17.4% 12.6%
25 to 44 785 23.6% 8.0%
45 to 64 863 25.9% -14.0%
Over 65 556 16.7% -10.3%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

At the same time, 2.1% of residents are non-citizens. As for race, 90.4% of locals are Caucasian, 0.8% are African American and 2.6% have Asian roots. There’s also a share of 4.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.9%
Non-U.S.-born citizens
0%
Non-citizens
2.1%
Value Percent YoY change
U.S.-born citizens 3,257 97.9% -0.1%
Non-citizens 70 2.1% -22.2%
Racial breakdown
White
90.4%
Black or African American
0.8%
American Indian and Alaska Native
0%
Asian
2.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.5%
Other
1.6%
Value Percent
White 3,006 90.4%
Black or African American 27 0.8%
Asian 88 2.6%
Two or more races 151 4.5%
Other 55 1.6%

Households in Johnston City

A peek inside Johnston City households

Johnston City has 1,449 households, with an average of 2 members in each. Of these, 60% are families, while the remaining 40% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,449
-6.6% year-over-year change
Average people per household
2
Non-family households
580
Family households
869
Value Percent YoY change
Non-family households 580 40% -6.6%
Family households 869 60% -6.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Johnston City

The housing landscape of Johnston City

Johnston City's housing consists of 1,581 units, with 79.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.5% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2.5% of the housing landscape.

Housing units
1,581
-7.4% year-over-year change
Housing types
Value Percent
1 unit, detached 1,262 79.8%
1 unit, attached 55 3.5%
2 units 205 13%
50 or more units 19 1.2%
Mobile home 40 2.5%
Homes built since 2020
0
% year-over-year change

The age of buildings in Johnston City

In Johnston City, the median construction year is 1956. About 44.5% of homes were built before the 1940s, with another 3.3% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 704 44.5% -12.2%
Built between 1940 and 1949 52 3.3% 126.1%
Built between 1950 and 1959 60 3.8% -36.8%
Built between 1960 and 1969 106 6.7% -24.3%
Built between 1970 and 1979 203 12.8% -6.5%
Built between 1980 and 1989 88 5.6% 700.0%
Built between 1990 and 1999 91 5.8% -22.9%
Built between 2000 and 2009 246 15.6% -10.6%
Built between 2010 and 2019 31 2% 19.2%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Johnston City occupancy rates

Out of the 1,449 occupied housing units in Johnston City, 71.4% are owner-occupied, while 28.6% are lived in by tenants. Meanwhile, 8.3% of all homes on the local market sit vacant.

Occupied housing units
1,449
-6.6% year-over-year change
Occupancy breakdown
Renter occupied
415
Owner occupied
1,034
Value Percent YoY
change
Renter occupied 415 28.6% 29.7%
Owner occupied 1,034 71.4% -16.0%
Unoccupied housing units
8.3%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Johnston City housing costs

Housing costs in Johnston City come to a median of $761 per month, while tenants specifically pay a median gross rent of $976.

Median housing costs per month
$761/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Johnston City
$976/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Johnston City

Johnston City education at a glance

About 39.2% of the population in Johnston City went to high school, while 26.9% pursued college studies. Another 13.7% earned an associate degree and 7.5% hold a bachelor’s. Meanwhile, 8.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 103 3.9% 4.0%
High school diploma 1,025 39.2% 4.2%
College diploma 703 26.9% -0.7%
Associate degree 358 13.7% -24.1%
Bachelor's degree 195 7.5% -20.4%
Graduate degree 228 8.7% -15.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Johnston City

How much people earn in Johnston City

The average annual household income in Johnston City was $71,283 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.2% change from the previous year. At the same time, the median income stood at $42,465, reflecting a -8.9% shift over the same period.

Average household income in Johnston City
$71,283/year
1.1% year-over-year change
Median household income in Johnston City
$42,465/year
-8.9% year-over-year change

Johnston City income by age

In Johnston City, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $90,714. Those with someone between 45 and 64 in charge, often well established professionally, earn $105,577 overall. Overall, 82.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $90,714 67.2%
45 - 64 $105,577 2.8%
Over 65 $30,750 2.8%
Above poverty level
2,678
Below poverty level
583
Value Percent YoY
change
Above poverty level 2,678 82.1% -4.8%
Below poverty level 583 17.9% 17.5%

Employment in Johnston City

Workforce and job types in Johnston City

The job market in Johnston City is powered by 1,401 working residents, spread across a range of industries and roles. 67% of the working population are employed in professional or administrative positions, while 33% are in hands-on or service-based jobs. Also, 3.6% run their own businesses, 74.9% are employed by private companies, and 18.1% work in the public sector.

Workforce demographics

Working population
1,401
-7.8% year-over-year change
White collar
939
Blue collar
462
Value Percent YoY change
White collar 939 67% -19.2%
Blue collar 462 33% 29.4%
Employer type
Self employees
3.6%
Private companies
74.9%
Governmental workers
18.1%
Not for profit companies
3.4%
Value Percent YoY change
Self employees 51 3.6% -1.9%
Private companies 1,049 74.9% -1.0%
Governmental workers 253 18.1% -0.4%
Not for profit companies 48 3.4% -68.6%
Unemployment rate
8.2%
106.6% year-over-year change

Available workforce

The unemployment rate in Johnston City stands at 8.2%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Johnston City

How people get around in Johnston City

Means of transportation
Value Percent YoY change
Car 1,227 92.7% -12.5%
Bus or trolleybus 30 2.3% -14.3%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Johnston City by zipcode?

Zipcode Population Number of households Median income Average income
62951 5,342 2,440 $50,657 $66,660

Explore more communities

FAQs about Johnston City demographics 

What is the total population of Johnston City?

Johnston City has a total population of 3,327 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.7% compared to a year ago.

What is the gender ratio in Johnston City?

The gender ratio in Johnston City is as follows:
  • 46.5% males (1,548 residents)
  • 53.5% females (1,779 residents)

What is the median age in Johnston City?

The median age in Johnston City is 38.3.

What is the age distribution of the population in Johnston City?

The age distribution in Johnston City is as follows:
  • Under 15: 16.3% (543 residents)
  • Ages 15-24: 17.4% (580 residents)
  • Ages 25-44: 23.6% (785 residents)
  • Ages 45-64: 25.9% (863 residents)
  • Over 65: 16.7% (556 residents)

What is the racial and ethnic makeup of Johnston City?

The racial and ethnic makeup of Johnston City is as follows:
  • White: 90.4% (3,006 residents)
  • Black or African American: 0.8% (27 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 2.6% (88 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.5% (151 residents)
  • Other: 1.6% (55 residents)

What percentage of the population in Johnston City are U.S.-born citizens?

U.S.-born citizens represent 97.9% of the population in Johnston City.

How many housing units are there in Johnston City?

There are 1,581 housing units in Johnston City, reflecting a -7.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Johnston City and what is the average household size?

Johnston City has a total of 1,449 households, with an average of 2 people in each.

What is the median household income in Johnston City?

Johnston City has a median household income of $42,465, representing a -8.9% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Johnston City?

The employment rate is 91.8% in Johnston City, with a workforce of 1,401 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 67% (939 residents)
  • Blue-collar workers: 33% (462 residents)

Places of employment:
  • Self-employed: 3.6% (51 residents)
  • Private companies: 74.9% (1,049 residents)
  • Governmental workers: 18.1% (253 residents)
  • Not-for-profit companies: 3.4% (48 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025