Rock Island Arsenal is a small town of 375 in Illinois, with a median household income of $50,972
and a 23.9% unemployment rate.
Its cost of living index is 89 (US average = 100), which is
11% below the national average.
Strengths:
Rock Island Arsenal stands out for an affordable cost of living.
Trade-offs:
Potential downsides include an elevated unemployment rate. Whether Rock Island Arsenal is right for you depends on your priorities — the full breakdown is below.
All Rock Island Arsenal city data on this page comes from official government sources —
the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.
Cost of Living
Index: 89.3
Rock Island Arsenal's overall cost of living index is 89.3,
where 100 represents the US national average.
Living in Rock Island Arsenal costs roughly 11% less than the average American city.
Metric
Rock Island Arsenal, IL
National Avg
Median Home Value
N/A
$244,900
Median Monthly Rent
N/A
$1,163
Homeownership Rate
0.0%
65.9%
Median Household Income
$50,972
$74,755
Crime & Safety
Safer than Average
Rock Island Arsenal's violent crime rate is 324.9 per 100,000 residents
— 15% lower than the national average of ~380 per 100,000.
Violent Crime
324.9 /100k
Property Crime
2292.1 /100k
Vertical marker = national average. Source: FBI UCR Program.
Schools & Education
Metric
Rock Island Arsenal, IL
National Avg
School District
N/A
—
Elementary Schools
N/A
—
Middle Schools
N/A
—
High Schools
N/A
—
Student/Teacher Ratio
N/A
16:1
Bachelor's Degree or Higher
4.1%
35.4%
High School Diploma or Higher
86.0%
91.1%
Weather & Climate
Rock Island Arsenal sees average highs of 31.0°F in January
and 83.9°F in July,
with 38.8 inches of annual precipitation
and 36.1 inches of snow per year.
Rock Island Arsenal's cost of living index is 89, where 100 is the national average.
That makes Rock Island Arsenal roughly 11% less expensive than a typical US city — a meaningful affordability advantage.
The median home price is N/A and median rent is N/A/month.
Rock Island Arsenal's violent crime rate is 324.9 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 2292.1 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.
School district information is sourced from NCES Common Core of Data.
Rock Island Arsenal, IL has a population of 375, a median household income of $50,972, and an unemployment rate of 23.9%.
It offers below-average costs of living, which stretches take-home pay further than in most American cities. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.
Rock Island Arsenal averages 31.0°F in January and 83.9°F in July. Annual rainfall is 38.8 inches
with about 36.1 inches of snow per year.
Based on NOAA 30-year climate normals (1991–2020).
The population of Rock Island Arsenal, Illinois is 375 with a median age of 43.1. Source: US Census ACS 5-Year Estimates.
Key numbers for living in Rock Island Arsenal: cost of living index 89 (100 = US average), median home N/A, median household income $50,972, crime index 95 (100 = US average, lower is safer). Whether these are benefits or drawbacks depends on where you're coming from — compare Rock Island Arsenal side by side with your current city to see the trade-offs.