Spring Bay, IL
Population 519 · Illinois
About Spring Bay, IL
Spring Bay is a small community in Illinois with a population of 519 residents. The median household income is $61,111 per year, which is near the national average. The median age in Spring Bay is 42.9 years.
Housing in Spring Bay has a median home value of $134,900 and median monthly rent of $1,083. Of the 215 total housing units, the majority are owner-occupied, with 131 owner-occupied and 71 renter-occupied units.
The unemployment rate in Spring Bay is 6.9% and the poverty rate is 17.0%. 11.5% of residents hold a bachelor's degree or higher. The average commute time is 22.5 minutes.
Cost of Living in Spring Bay, IL
Compared to national averages, Spring Bay has a median household income of $61,111 (19% below the national median of $75,149). Home values average $134,900, which is 45% below the national median. Monthly rent at $1,083 is 7% below the US average of $1,163. Within Illinois, Spring Bay's income is 19% below the state average of $75,072, and home values are 19% below the state median of $165,779.
Why Live in Spring Bay, IL?
Spring Bay offers affordable housing with a median home value of $134,900, below the US average of $244,900, and rent that’s lower than the national average at $1,083/month, and short commute times averaging just 22.5 minutes.
Potential considerations include median household income ($61,111) that falls below the national average. However, Spring Bay’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Spring Bay has a population of 519 with a median age of 42.9 years. Compare Spring Bay with other cities to see how it stacks up, or explore all cities in Illinois.
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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 Spring Bay
What is the population of Spring Bay, IL?
The population of Spring Bay, IL is 519 according to the latest Census data.
What is the median household income in Spring Bay?
The median household income in Spring Bay, IL is $61,111 per year.
What is the median home value in Spring Bay?
The median home value in Spring Bay, IL is $134,900.
What is the average rent in Spring Bay?
The median monthly rent in Spring Bay, IL is $1,083.
What is the unemployment rate in Spring Bay?
The unemployment rate in Spring Bay, IL is 6.9%.