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Harvey, IL vs Mount Prospect, IL

72
Harvey
Illinois
VS
-34.8%
111
Mount Prospect
Illinois

The cost of living difference between Harvey, IL and Mount Prospect, IL is dramatic. Harvey is 34.8% cheaper than Mount Prospect, a gap that translates to thousands of dollars per year in household expenses. Harvey has a cost index of 72 while Mount Prospect sits at 111, 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 Harvey is $968/month compared to $1,454/month in Mount Prospect — a 33% difference. Home values follow the same pattern: Harvey is more affordable at $86,100 median vs $377,000.

Median household income in Harvey is $41,091 compared to $103,911 in Mount Prospect (-60.5%). While Mount Prospect is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Harvey spend roughly 28.3% of their income on rent, more than the 16.8% in Mount Prospect.

Climate-wise, both cities share similar average temperatures (52.1°F vs 50.8°F). Harvey receives more rainfall at 34.4" per year compared to 32.3" in Mount Prospect.

Income & Cost

Cost of Living Index
Harvey
72
35% cheaper
Mount Prospect
111
Median Household Income
Harvey
$41,091
Mount Prospect
$103,911
60% higher

Housing

Median Rent
Harvey
$968
33% cheaper
Mount Prospect
$1,454
Median Home Value
Harvey
$86,100
77% cheaper
Mount Prospect
$377,000
Population
Harvey
19,831
Mount Prospect
55,648

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

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

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Harvey 52.1°F
Mount Prospect 50.8°F
Summer High
Harvey 85°F
Mount Prospect 84°F
Winter Low
Harvey 19°F
Mount Prospect 18°F
Rainfall
Harvey 34.4"
Mount Prospect 32.3"
Rainy Days
Harvey 121d
Mount Prospect 112d