Median rent is 41% lower in Rock Island ($819/mo vs $1,380/mo). Buying is cheaper in Rock Island, where the median home runs $118,400 versus $315,200. Households earn more in Chicago ($75,134 vs $57,292 a year).
City A
Chicago, IL
City B
Rock Island, IL
How much would you need to earn in Rock Island, IL to maintain your standard of living from Chicago, IL?
A cost-of-living index isn't available for one of these cities yet, so we can't compute an equivalent salary.
Based on BEA Regional Price Parity (cost index) for each city's metro area. A rough estimate of overall purchasing power, not tax or take-home pay.
Metric
Chicago
Illinois
Rock Island
Illinois
👥Population
💰Median Household Income
Annual
🏠Median Gross Rent
Per month
🏡Median Home Value
📊Cost of Living Index
US avg = 100
🔑1BR Fair Market Rent
HUD FMR
🔑2BR Fair Market Rent
HUD FMR
🔑3BR Fair Market Rent
HUD FMR
🌬️Air Quality Index
Lower = cleaner
🏛️Top State Income Tax
Top marginal rate
🧾State Sales Tax
Statewide base rate
🎂Median Age
Years
✓ = better value · Sources: US Census ACS, BEA RPP, HUD FMR, EPA AirNow, Tax Foundation
Renters will find significantly cheaper housing in Rock Island — median rent of $819/mo versus $1,380/mo in Chicago, a 41% difference. Home buyers face a steeper market in Chicago: the median home is $315,200 versus $118,400 in Rock Island — 62% more expensive.
1BR Fair Market Rent
2BR Fair Market Rent
BLS OEWS 2023 — metro-level data
Illinois's top income tax rate is 4.95% versus 4.95% in Illinois, so Rock Island is more tax-friendly for high earners. Sales tax is 6.25% in Illinois and 6.25% in Illinois; Rock Island has the lower rate (local add-ons may apply in both).
Chicago
Income tax: 4.95%
Sales tax: 6.25%
Rock Island
Income tax: 4.95%
Sales tax: 6.25%
Air quality data is available for Chicago (avg AQI 21.0) but not yet for Rock Island.
Pick Chicago if you prioritize higher median household income ($75,134/yr).
Pick Rock Island if you prioritize cheaper rent ($819/mo median).
Is Chicago cheaper than Rock Island?
Cost of living index data is not yet available for one or both cities.
How much is rent in Chicago vs Rock Island?
Median rent is $1,380/mo in Chicago, IL and $819/mo in Rock Island, IL. Rock Island, IL has the lower rent by about 41%.
Which has higher salaries — Chicago or Rock Island?
Median household income is $75,134 in Chicago, IL and $57,292 in Rock Island, IL. Chicago, IL has the higher median income. Note that BLS occupational wages in the table above show wages for specific jobs.
Which city has better air quality?
Air quality data is not yet available for one or both cities.
Which has lower taxes — Chicago or Rock Island?
Illinois's top income tax rate is 4.95% and Illinois's is 4.95%. Rock Island, IL has the lower rate.
What salary do I need in Rock Island to match my Chicago income?
RPP data needed for salary equivalence calculation is not yet available.
Data last updated: December 1, 2024 · Sources: US Census ACS, BEA RPP, BLS OEWS, HUD FMR, EPA AirNow, Tax Foundation · Methodology