Rock Island Arsenal, IL
Population 372 · Illinois
About Rock Island Arsenal, IL
Rock Island Arsenal is a small community in Illinois with a population of 372 residents. The median household income is $53,472 per year, which is near the national average. The median age in Rock Island Arsenal is 43.1 years.
Housing in Rock Island Arsenal has a median home value of $0 and median monthly rent of $1,408. Of the 111 total housing units, renting is more common than owning, with 0 owner-occupied and 79 renter-occupied units.
The unemployment rate in Rock Island Arsenal is 23.8% and the poverty rate is 0.0%. 7.0% of residents hold a bachelor's degree or higher. The average commute time is 5.5 minutes.
Cost of Living in Rock Island Arsenal, IL
Compared to national averages, Rock Island Arsenal has a median household income of $53,472 (29% below the national median of $75,149). Home values average $0, which is 100% below the national median. Monthly rent at $1,408 is 21% above the US average of $1,163. Within Illinois, Rock Island Arsenal's income is 29% below the state average of $75,072, and home values are 100% below the state median of $165,779.
Why Live in Rock Island Arsenal, IL?
Rock Island Arsenal offers affordable housing with a median home value of $0, below the US average of $244,900, and a low poverty rate of 0.0%, better than the national average, and short commute times averaging just 5.5 minutes.
Potential considerations include median household income ($53,472) that falls below the national average. However, Rock Island Arsenal’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Rock Island Arsenal has a population of 372 with a median age of 43.1 years. Compare Rock Island Arsenal 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 Rock Island Arsenal
What is the population of Rock Island Arsenal, IL?
The population of Rock Island Arsenal, IL is 372 according to the latest Census data.
What is the median household income in Rock Island Arsenal?
The median household income in Rock Island Arsenal, IL is $53,472 per year.
What is the median home value in Rock Island Arsenal?
The median home value in Rock Island Arsenal, IL is $0.
What is the average rent in Rock Island Arsenal?
The median monthly rent in Rock Island Arsenal, IL is $1,408.
What is the unemployment rate in Rock Island Arsenal?
The unemployment rate in Rock Island Arsenal, IL is 23.8%.