Rockbridge, IL
Population 115 · Illinois
About Rockbridge, IL
Rockbridge is a small community in Illinois with a population of 115 residents. The median household income is $86,250 per year, which is above the national average. The median age in Rockbridge is 46.8 years.
Housing in Rockbridge has a median home value of $91,900 and median monthly rent of $0. Of the 68 total housing units, the majority are owner-occupied, with 31 owner-occupied and 2 renter-occupied units.
The unemployment rate in Rockbridge is 0.0% and the poverty rate is 7.0%. 10.3% of residents hold a bachelor's degree or higher. The average commute time is 26.7 minutes.
Cost of Living in Rockbridge, IL
Compared to national averages, Rockbridge has a median household income of $86,250 (15% above the national median of $75,149). Home values average $91,900, which is 62% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Illinois, Rockbridge's income is 15% above the state average of $75,072, and home values are 45% below the state median of $165,779.
Why Live in Rockbridge, IL?
Rockbridge offers a strong local economy with a median household income of $86,250, well above the national average, and affordable housing with a median home value of $91,900, below the US average of $244,900, and rent that’s lower than the national average at $0/month. Additionally, the city features a strong job market with an unemployment rate of just 0.0%, and a low poverty rate of 7.0%, better than the national average.
Rockbridge has a population of 115 with a median age of 46.8 years. Compare Rockbridge 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 Rockbridge
What is the population of Rockbridge, IL?
The population of Rockbridge, IL is 115 according to the latest Census data.
What is the median household income in Rockbridge?
The median household income in Rockbridge, IL is $86,250 per year.
What is the median home value in Rockbridge?
The median home value in Rockbridge, IL is $91,900.
What is the average rent in Rockbridge?
The median monthly rent in Rockbridge, IL is $0.
What is the unemployment rate in Rockbridge?
The unemployment rate in Rockbridge, IL is 0.0%.