Lake Forest, IL Cost Of Living

Demographics | Crime | Cost Of Living
Updated: 2025-10-24

Cost Of Living In Lake Forest, IL Summary

Cost of living in Lake Forest research summary. The cost of living index is set to 100 for the average place in the United States. A cost of living index above 100 means Lake Forest is expensive. An index value below 100 means the city is a relatively cheap place to live.

On a city-by-city basis in Illinois, home prices and rent have the biggest impact on the cost of living. Here are the key takeaways based on Saturday Night Science:

  • The cost of living index in Lake Forest is 181, with 100 being the average.

  • The cost of living index in Lake Forest is 1.8x higher than the national average.

  • Lake Forest ranks as the #330 cheapest in Illinois out of 336.

  • Lake Forest ranks as the #6,193 cheapest out of 6,489 in the US.

  • The median home value in Lake Forest is $1,157,356.

  • The median income in Lake Forest is $228,120.

Table Of Contents

  1. Summary
  2. National Comparison
  3. Housing Breakdown
  4. Detailed Pricing
  5. Nearby Comparisons
181
Lake Forest's Overall Cost Of Living
1.8x
Higher Than The National Average

What is the cost of living in Lake Forest, IL?

According to the most recent data on the cost of living, Lake Forest has an overall cost of living index of 181, which is 1.8x higher than the national index of 100.

Compared to Illinois, Lake Forest has a cost of living index that's 1.9x higher than Illinois's index of 97.

The standard of living in Lake Forest ranks as #330 most affordable out of the 336 places we measured in Illinois. By definition, that implies Lake Forest ranks as the #6 most expensive place in the Prairie State.

For more reading on life in Lake Forest, check out:

330 out of 336
In Illinois
6,193 out of 6,489
In America

Lake Forest Cost Of Living Vs. Illinois

Six factors go into calculating the cost of living index in Lake Forest. Here is how it fairs on each of the criteria:

  • The Services index in Lake Forest is 107.

  • The Groceries index in Lake Forest is 103.

  • The Health index in Lake Forest is 107.

  • The Housing index in Lake Forest is 363.

  • The Transportation index in Lake Forest is 108.

  • The Utilities index in Lake Forest is 88.

Living Expense Lake Forest Illinois National Average
Overall 181 97 100
Services 107 95 100
Groceries 103 99 100
Health 107 93 100
Housing 363 95 100
Transportation 108 102 100
Utilities 88 91 100
For more reading on cost of living around Illinois, check out:
Lake Forest Cost of Living Vs. IL

Lake Forest, IL Housing Cost Breakdown

Housing swings affordability the most between places in Illinois, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2019-2023. The key points are:

  • The Median Home Value in Lake Forest is $1,157,356.

  • The Median Rent in Lake Forest is $2,120.

  • The Median Income in Lake Forest is $228,120.

  • The Home Value To Income in Lake Forest is 5.1x.

  • The Rent To Monthly Income in Lake Forest is 0.11x.

Statistic Lake Forest Illinois United States
Median Home Value $1,157,356 $283,508 $303,400
Median Rent $2,120 $1,227 $1,348
Median Income $228,120 $81,702 $78,538
Home Value To Income 5.1x 3.5x 3.9x
Rent To Monthly Income 0.11x 0.18x 0.21x
$1,157,356
Median Home Value
$2,120
Median Rent
$228,120
Median Income

Lake Forest, IL Costs By Category

Detailed Lake Forest Services Costs Vs. Illinois

Item Lake Forest Illinois
Shampoo $1.27 $1.28
Movie $17.91 $12.13
Bowling $24.58 $18
Haircut $33.69 $24.26
Beauty Salon $53.44 $45.56

Detailed Lake Forest Groceries Costs Vs. Illinois

Item Lake Forest Illinois
Ground Beef $5.28 $5.84
Fried Chicken $1.42 $1.57
Milk $4.87 $4.67
Potatoes $4.9 $4.93
Pizza $13.41 $12.09
Beer $10.0 $10.41
Toothpaste $3.75 $3.7

Detailed Lake Forest Health Costs Vs. Illinois

Item Lake Forest Illinois
Optometrist $118.27 $125.68
Doctor $167.67 $135.78
Dentist $128.22 $113.29

Detailed Lake Forest Transportation Costs Vs. Illinois

Item Lake Forest Illinois
Gasoline $3.56 $3.46
Tire Balancing $70.87 $59.92

Detailed Lake Forest Utilities Costs Vs. Illinois

Item Lake Forest Illinois
All Electricity $148.58 $193.99
Phone $210.03 $192.25

Lake Forest SnackAbility

6
/10
Overall SnackAbility
Jobs
9/10
Housing
9.5
Affordability
8
Diversity
7
Safety
9.5
Amenities
8
Education
10
Commute
3

Cost Of Living In Cities Around Lake Forest

The cost of living varies in the cities and towns around Lake Forest. Here's a quick look at the cost of living in the most populous nearby places:

  • Arlington Heights, IL has a cost of living index of 124, 0.7x Lake Forest.

  • Glenview, IL has a cost of living index of 149, 0.8x Lake Forest.

  • Buffalo Grove, IL has a cost of living index of 125, 0.7x Lake Forest.

City Population Cost Of Living Vs. Lake Forest
Arlington Heights, IL 76,220 124 0.7x
Glenview, IL 47,682 149 0.8x
Buffalo Grove, IL 42,824 125 0.7x
Park Ridge, IL 39,241 138 0.8x
Northbrook, IL 34,642 153 0.8x
Highland Park, IL 30,229 148 0.8x
Wilmette, IL 27,550 164 0.9x
Lake Zurich, IL 19,727 127 0.7x
Deerfield, IL 19,185 148 0.8x
Lincolnshire, IL 7,937 163 0.9x

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