Cost of Living in Lake Forest, IL
Overall index: 219 (100 = US national average). Data source: US Census ACS 2023 & BLS OEWS 2025, 2025.
Overall Cost of Living Index
Cost Breakdown by Category
| Category | Index | vs US avg | Sample cost |
|---|---|---|---|
| Housing | 261 | +161% | $1,484 |
| Transportation | 97 | -3% | $3.50 |
| Food | 305 | +205% | $1,251 |
| Utilities | 181 | +81% | $470 |
| Healthcare | 181 | +81% | $339 |
Index 100 = US national average. Higher = more expensive.
Cost breakdown (visual)
Salary Calculator: What do you need to earn in Lake Forest?
A single adult living comfortably in Lake Forest, IL needs approximately $76,650 / year after taxes.
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Frequently Asked Questions
What is the cost of living in Lake Forest, IL?
The overall cost of living in Lake Forest, IL is 119% higher than the US national average (index: 219 where 100 = national average).
How much is rent in Lake Forest, IL?
Average rent for a 1-bedroom apartment in Lake Forest, IL is about $1,484/month.
Is Lake Forest, IL expensive to live in?
Yes, Lake Forest, IL is considered expensive (index above national average).
What salary do I need to live in Lake Forest, IL?
A single adult needs roughly $76,650/year to cover basic living costs in Lake Forest, IL.