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Evanston, IL vs Rock Island, IL

126
Evanston
Illinois
VS
+91.8%
66
Rock Island
Illinois

The cost of living difference between Evanston, IL and Rock Island, IL is dramatic. Rock Island is 91.8% cheaper than Evanston, a gap that translates to thousands of dollars per year in household expenses. Evanston has a cost index of 126 while Rock Island sits at 66, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Evanston is $1,698/month compared to $819/month in Rock Island — a 107% difference. Home values follow the same pattern: Rock Island is more affordable at $118,400 median vs $472,300.

Median household income in Evanston is $95,766 compared to $57,292 in Rock Island (+67.2%). The higher salaries in Evanston partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Evanston spend roughly 21.3% of their income on rent, more than the 17.2% in Rock Island.

Climate-wise, both cities share similar average temperatures (50.8°F vs 51.2°F). Rock Island receives more rainfall at 38.3" per year compared to 32.3" in Evanston.

Income & Cost

Cost of Living Index
Evanston
126
Rock Island
66
48% cheaper
Median Household Income
Evanston
$95,766
40% higher
Rock Island
$57,292

Housing

Median Rent
Evanston
$1,698
Rock Island
$819
52% cheaper
Median Home Value
Evanston
$472,300
Rock Island
$118,400
75% cheaper
Population
Evanston
76,552
Rock Island
36,758

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Evanston $3.20
Rock Island $2.95
US $3.07
🥚
Eggs (grade A, large)
Evanston $2.61
Rock Island $2.41
US $2.50
🥛
Milk (whole)
Evanston $4.20
Rock Island $3.88
US $4.03
🍞
Bread (white)
Evanston $1.93
Rock Island $1.78
US $1.85
🍗
Chicken breast
Evanston $4.32
Rock Island $3.99
US $4.14
Electricity
Evanston $0.15
Rock Island $0.18
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Evanston 50.8°F
Rock Island 51.2°F
Summer High
Evanston 84°F
Rock Island 86°F
Winter Low
Evanston 18°F
Rock Island 15°F
Rainfall
Evanston 32.3"
Rock Island 38.3"
Rainy Days
Evanston 112d
Rock Island 117d