Rock Island Arsenal, IL
Population 372 · Illinois
About Rock Island Arsenal, IL
Rock Island Arsenal is a small community located in Illinois with a population of 372 residents according to the latest US Census Bureau American Community Survey data. The median household income is $53,472 per year, which is 29% below the national median of $75,149. The median age of 43.1 years is notably older the US median age of 38.9 years, suggesting a more established community with a higher proportion of long-term residents.
Housing Market Overview
The housing market in Rock Island Arsenal features a median home value of $0, which is 100% below the national median of $244,900. This makes Rock Island Arsenal one of the more affordable markets in the country, potentially attractive for first-time homebuyers. Median monthly rent is $1,408, 21% above the national average of $1,163/month. Of the 111 total housing units, 0% are owner-occupied (0 units) and 100% are renter-occupied (79 units). The higher proportion of renters may reflect a transient population, younger demographics, or high housing costs relative to income.
Economy & Employment
The local economy in Rock Island Arsenal shows an unemployment rate of 23.8%, which is significantly above the national rate of 3.7%, suggesting economic challenges in the area. The poverty rate stands at 0.0%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in Rock Island Arsenal have an average one-way commute time of 5.5 minutes, one of the shorter commutes in the region.
Education & Demographics
7.0% of Rock Island Arsenal residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The lower educational attainment rate may reflect the area's industry mix, with more employment in trades, manufacturing, or agricultural sectors. The community's demographic composition includes 7.5% White, 0.0% Hispanic or Latino, 0.0% Black or African American, and 1.3% Asian residents, with 11.3% of the population being foreign-born.
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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Cities in Illinois with a similar population size.
Demographics
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Economy & Education
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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 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 US Census Bureau American Community Survey estimates. This makes it a small community in Illinois.
What is the median household income in Rock Island Arsenal?
The median household income in Rock Island Arsenal, IL is $53,472 per year, which is 29% below the national median of $75,149.
What is the median home value in Rock Island Arsenal?
The median home value in Rock Island Arsenal, IL is $0, which is 100% below the national median of $244,900. A significant portion of residents rent their homes.
What is the average rent in Rock Island Arsenal?
The median monthly rent in Rock Island Arsenal, IL is $1,408, which is 21% above the national average of $1,163/month.
What is the unemployment rate in Rock Island Arsenal?
The unemployment rate in Rock Island Arsenal, IL is 23.8%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is Rock Island Arsenal, IL a good place to live?
Rock Island Arsenal offers a moderate cost of living, affordable housing, and growing employment opportunities. With a population of 372 and a median age of 43.1, the city appeals to a broad range of residents.
How educated is Rock Island Arsenal, IL?
7.0% of residents in Rock Island Arsenal aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.
What is the cost of living in Rock Island Arsenal?
Key cost-of-living indicators for Rock Island Arsenal, IL: median home value is $0 (100% below national), median rent is $1,408/month, and median household income is $53,472. The home-value-to-income ratio is 0.0x, indicating relatively affordable housing relative to local incomes.
What is the poverty rate in Rock Island Arsenal?
The poverty rate in Rock Island Arsenal, IL is 0.0%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is Rock Island Arsenal, IL?
Rock Island Arsenal's population is 7.5% White, 0.0% Hispanic or Latino, 0.0% Black or African American, 1.3% Asian, and 0.8% two or more races. 11.3% of residents are foreign-born.