Johnston City, IL
Population 3,351 · Illinois
About Johnston City, IL
Johnston City is a small community in Illinois with a population of 3,351 residents. The median household income is $46,629 per year, which is below the national average. The median age in Johnston City is 44.1 years.
Housing in Johnston City has a median home value of $84,500 and median monthly rent of $830. Of the 1,707 total housing units, the majority are owner-occupied, with 1,231 owner-occupied and 320 renter-occupied units.
The unemployment rate in Johnston City is 3.9% and the poverty rate is 14.8%. 21.9% of residents hold a bachelor's degree or higher. The average commute time is 14.6 minutes.
Cost of Living in Johnston City, IL
Compared to national averages, Johnston City has a median household income of $46,629 (38% below the national median of $75,149). Home values average $84,500, which is 65% below the national median. Monthly rent at $830 is 29% below the US average of $1,163. Within Illinois, Johnston City's income is 38% below the state average of $75,072, and home values are 49% below the state median of $165,779.
Why Live in Johnston City, IL?
Johnston City offers affordable housing with a median home value of $84,500, below the US average of $244,900, and rent that’s lower than the national average at $830/month, and short commute times averaging just 14.6 minutes.
Potential considerations include median household income ($46,629) that falls below the national average. However, Johnston City’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Johnston City has a population of 3,351 with a median age of 44.1 years. Compare Johnston City with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Johnston City
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Abingdon | 3,424 | $56,414 | $88,900 | Compare |
| Germantown Hills | 3,425 | $141,719 | $265,300 | Compare |
| Cherry Valley | 3,268 | $74,766 | $222,400 | Compare |
| Westville | 3,442 | $52,809 | $98,800 | Compare |
| South Jacksonville | 3,255 | $53,438 | $137,100 | Compare |
| Fulton | 3,457 | $42,452 | $124,400 | Compare |
| Long Lake | 3,219 | $100,824 | $185,400 | Compare |
| Pistakee Highlands | 3,214 | $92,304 | $198,700 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Johnston City
What is the population of Johnston City, IL?
The population of Johnston City, IL is 3,351 according to the latest Census data.
What is the median household income in Johnston City?
The median household income in Johnston City, IL is $46,629 per year.
What is the median home value in Johnston City?
The median home value in Johnston City, IL is $84,500.
What is the average rent in Johnston City?
The median monthly rent in Johnston City, IL is $830.
What is the unemployment rate in Johnston City?
The unemployment rate in Johnston City, IL is 3.9%.