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Rochester, IL vs Summit, IL

92
Rochester
Illinois
VS
+8.2%
85
Summit
Illinois

Summit is moderately more affordable than Rochester, with a 8.2% lower cost of living index. Rochester scores 92 compared to 85 for Summit, where the US average is 100. This difference means residents of Rochester can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Rochester is $1,333/month compared to $1,012/month in Summit — a 32% difference. Home values follow the same pattern: Summit is more affordable at $224,800 median vs $241,900.

Median household income in Rochester is $112,689 compared to $60,417 in Summit (+86.5%). While Rochester is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Rochester spend roughly 14.2% of their income on rent, less than the 20.1% in Summit.

Climate-wise, both cities share similar average temperatures (54°F vs 52.1°F). Rochester receives more rainfall at 38" per year compared to 34.4" in Summit.

Income & Cost

Cost of Living Index
Rochester
92
Summit
85
8% cheaper
Median Household Income
Rochester
$112,689
46% higher
Summit
$60,417

Housing

Median Rent
Rochester
$1,333
Summit
$1,012
24% cheaper
Median Home Value
Rochester
$241,900
Summit
$224,800
7% cheaper
Population
Rochester
3,784
Summit
10,896

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Rochester $2.85
Summit $3.20
US $3.07
🥚
Eggs (grade A, large)
Rochester $2.33
Summit $2.61
US $2.50
🥛
Milk (whole)
Rochester $3.75
Summit $4.20
US $4.03
🍞
Bread (white)
Rochester $1.72
Summit $1.93
US $1.85
🍗
Chicken breast
Rochester $3.86
Summit $4.32
US $4.14
Electricity
Rochester $0.17
Summit $0.15
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Rochester 54°F
Summit 52.1°F
Summer High
Rochester 87°F
Summit 85°F
Winter Low
Rochester 20°F
Summit 19°F
Rainfall
Rochester 38"
Summit 34.4"
Rainy Days
Rochester 115d
Summit 121d