Home / Compare / River Forest vs St. Joseph

River Forest, IL vs St. Joseph, IL

134
River Forest
Illinois
VS
+63.1%
82
St. Joseph
Illinois

The cost of living difference between River Forest, IL and St. Joseph, IL is dramatic. St. Joseph is 63.1% cheaper than River Forest, a gap that translates to thousands of dollars per year in household expenses. River Forest has a cost index of 134 while St. Joseph sits at 82, 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 River Forest is $1,411/month compared to $969/month in St. Joseph — a 46% difference. Home values follow the same pattern: St. Joseph is more affordable at $257,400 median vs $676,900.

Median household income in River Forest is $148,711 compared to $114,594 in St. Joseph (+29.8%). River Forest does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of River Forest spend roughly 11.4% of their income on rent, more than the 10.1% in St. Joseph.

Climate-wise, both cities share similar average temperatures (52.1°F vs 52.5°F). St. Joseph receives more rainfall at 37" per year compared to 34.4" in River Forest.

Income & Cost

Cost of Living Index
River Forest
134
St. Joseph
82
39% cheaper
Median Household Income
River Forest
$148,711
23% higher
St. Joseph
$114,594

Housing

Median Rent
River Forest
$1,411
St. Joseph
$969
31% cheaper
Median Home Value
River Forest
$676,900
St. Joseph
$257,400
62% cheaper
Population
River Forest
11,489
St. Joseph
3,833

Salary Equivalency Calculator

What does your salary in one city buy you in the other?

$
Formula:

Everyday Prices

BLS Average Prices by metro area

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

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
River Forest 52.1°F
St. Joseph 52.5°F
Summer High
River Forest 85°F
St. Joseph 85°F
Winter Low
River Forest 19°F
St. Joseph 18°F
Rainfall
River Forest 34.4"
St. Joseph 37"
Rainy Days
River Forest 121d
St. Joseph 122d