St. Augustine, IL
Population 123 · Illinois
About St. Augustine, IL
St. Augustine is a small community in Illinois with a population of 123 residents. The median household income is $49,375 per year, which is below the national average. The median age in St. Augustine is 54.2 years.
Housing in St. Augustine has a median home value of $52,700 and median monthly rent of $0. Of the 67 total housing units, the majority are owner-occupied, with 55 owner-occupied and 8 renter-occupied units.
The unemployment rate in St. Augustine is 7.4% and the poverty rate is 17.1%. 5.4% of residents hold a bachelor's degree or higher. The average commute time is 29.7 minutes.
Cost of Living in St. Augustine, IL
Compared to national averages, St. Augustine has a median household income of $49,375 (34% below the national median of $75,149). Home values average $52,700, which is 78% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Illinois, St. Augustine's income is 34% below the state average of $75,072, and home values are 68% below the state median of $165,779.
Why Live in St. Augustine, IL?
St. Augustine offers affordable housing with a median home value of $52,700, below the US average of $244,900, and rent that’s lower than the national average at $0/month.
Potential considerations include median household income ($49,375) that falls below the national average. However, St. Augustine’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
St. Augustine has a population of 123 with a median age of 54.2 years. Compare St. Augustine 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. Augustine
What is the population of St. Augustine, IL?
The population of St. Augustine, IL is 123 according to the latest Census data.
What is the median household income in St. Augustine?
The median household income in St. Augustine, IL is $49,375 per year.
What is the median home value in St. Augustine?
The median home value in St. Augustine, IL is $52,700.
What is the average rent in St. Augustine?
The median monthly rent in St. Augustine, IL is $0.
What is the unemployment rate in St. Augustine?
The unemployment rate in St. Augustine, IL is 7.4%.