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Rockdale, IL vs Salem, IL

88
Rockdale
Illinois
VS
+36.1%
65
Salem
Illinois

The cost of living difference between Rockdale, IL and Salem, IL is dramatic. Salem is 36.1% cheaper than Rockdale, a gap that translates to thousands of dollars per year in household expenses. Rockdale has a cost index of 88 while Salem sits at 65, 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 Rockdale is $1,219/month compared to $752/month in Salem — a 62% difference. Home values follow the same pattern: Salem is more affordable at $99,800 median vs $183,500.

Median household income in Rockdale is $56,799 compared to $57,083 in Salem (-0.5%). Salem offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Rockdale spend roughly 25.8% of their income on rent, more than the 15.8% in Salem.

Climate-wise, Salem is notably warmer with an average of 57.7°F compared to 49.4°F in Rockdale. Salem receives more rainfall at 43.4" per year compared to 33.8" in Rockdale.

Income & Cost

Cost of Living Index
Rockdale
88
Salem
65
27% cheaper
Median Household Income
Rockdale
$56,799
Salem
$57,083

Housing

Median Rent
Rockdale
$1,219
Salem
$752
38% cheaper
Median Home Value
Rockdale
$183,500
Salem
$99,800
46% cheaper
Population
Rockdale
2,598
Salem
7,341

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Rockdale $3.20
Salem
US $3.07
🥚
Eggs (grade A, large)
Rockdale $2.61
Salem
US $2.50
🥛
Milk (whole)
Rockdale $4.20
Salem
US $4.03
🍞
Bread (white)
Rockdale $1.93
Salem
US $1.85
🍗
Chicken breast
Rockdale $4.32
Salem
US $4.14
Electricity
Rockdale $0.15
Salem
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Rockdale 49.4°F
Salem 57.7°F
Summer High
Rockdale 84°F
Salem 90°F
Winter Low
Rockdale 15°F
Salem 24°F
Rainfall
Rockdale 33.8"
Salem 43.4"
Rainy Days
Rockdale 126d
Salem 100d