St. Johns, IL
Population 134 · Illinois
About St. Johns, IL
St. Johns is a small community in Illinois with a population of 134 residents. The median household income is $39,286 per year, which is below the national average. The median age in St. Johns is 53.6 years.
Housing in St. Johns has a median home value of $80,000 and median monthly rent of $760. Of the 89 total housing units, the majority are owner-occupied, with 52 owner-occupied and 16 renter-occupied units.
The unemployment rate in St. Johns is 5.7% and the poverty rate is 11.2%. 13.6% of residents hold a bachelor's degree or higher. The average commute time is 23 minutes.
Cost of Living in St. Johns, IL
Compared to national averages, St. Johns has a median household income of $39,286 (48% below the national median of $75,149). Home values average $80,000, which is 67% below the national median. Monthly rent at $760 is 35% below the US average of $1,163. Within Illinois, St. Johns's income is 48% below the state average of $75,072, and home values are 52% below the state median of $165,779.
Why Live in St. Johns, IL?
St. Johns offers affordable housing with a median home value of $80,000, below the US average of $244,900, and rent that’s lower than the national average at $760/month, and a low poverty rate of 11.2%, better than the national average. Additionally, the city features short commute times averaging just 23 minutes.
Potential considerations include median household income ($39,286) that falls below the national average. However, St. Johns’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
St. Johns has a population of 134 with a median age of 53.6 years. Compare St. Johns with other cities to see how it stacks up, or explore all cities in Illinois.
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Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about St. Johns
What is the population of St. Johns, IL?
The population of St. Johns, IL is 134 according to the latest Census data.
What is the median household income in St. Johns?
The median household income in St. Johns, IL is $39,286 per year.
What is the median home value in St. Johns?
The median home value in St. Johns, IL is $80,000.
What is the average rent in St. Johns?
The median monthly rent in St. Johns, IL is $760.
What is the unemployment rate in St. Johns?
The unemployment rate in St. Johns, IL is 5.7%.