4+ Bedroom Apartment Rent in Lake Forest, IL
Median asking rent for a 4+ bedroom apartment in Lake Forest, Illinois as of July 2026. That's +23% lower than the citywide median of $5,171 and +58% above the national 4+ bedroom median of $2,520.
Income needed for a 4+ bedroom in Lake Forest
Using the standard 30% rent-to-income guideline (the threshold above which households are considered rent-burdened), here's what you need to earn to comfortably afford a 4+ bedroom at the current median rent.
Rent by apartment size in Lake Forest
Compare Lake Forest's median rent across every apartment size.
Cheapest cities for a 4+ bedroom in Illinois
| # | City | 4+ Bedroom rent |
|---|---|---|
| 1 | Rantoul | $1,011 |
| 2 | Pekin | $1,250 |
| 3 | Quincy | $1,290 |
| 4 | Dixon | $1,300 |
| 5 | Charleston | $1,320 |
| 6 | Savoy | $1,340 |
| 7 | Danville | $1,360 |
| 8 | Urbana | $1,380 |
| 9 | Normal | $1,390 |
| 10 | Peoria | $1,407 |
| 11 | Carbondale | $1,410 |
| 12 | Washington | $1,430 |
| 13 | Bloomington | $1,450 |
| 14 | Macomb | $1,450 |
| 15 | Kankakee | $1,510 |
Most expensive cities for a 4+ bedroom in Illinois
| # | City | 4+ Bedroom rent |
|---|---|---|
| 1 | Morton Grove | $3,980 |
| 2 | Lake Forest (this page) | $3,980 |
| 3 | Deerfield | $3,980 |
| 4 | Barrington | $3,980 |
| 5 | Wilmette | $3,820 |
| 6 | Buffalo Grove | $3,820 |
| 7 | Highland Park | $3,760 |
| 8 | Plainfield | $3,685 |
| 9 | Naperville | $3,600 |
| 10 | Vernon Hills | $3,590 |
| 11 | Streamwood | $3,590 |
| 12 | Northbrook | $3,580 |
| 13 | Bartlett | $3,530 |
| 14 | Bolingbrook | $3,505 |
| 15 | Romeoville | $3,490 |
Nearby cities — 4+ bedroom rent
Considering nearby alternatives? 5 of these cities have cheaper 4+ bedroom rents than Lake Forest.
| City | Distance | 4+ Bedroom rent | vs Lake Forest |
|---|---|---|---|
| Lake Bluff, IL | 3.3 mi | $3,170 | $-810 (-20%) |
| Deerfield, IL | 4.4 mi | $3,980 | — |
| Highland Park, IL | 5.3 mi | $3,760 | $-220 (-6%) |
| Vernon Hills, IL | 6.5 mi | $3,590 | $-390 (-10%) |
| Libertyville, IL | 7.2 mi | $3,120 | $-860 (-22%) |
| Northbrook, IL | 7.7 mi | $3,580 | $-400 (-10%) |
| Buffalo Grove, IL | 8.3 mi | $3,820 | $-160 (-4%) |
| Wheeling, IL | 8.3 mi | $2,870 | $-1,110 (-28%) |
| Waukegan, IL | 9.8 mi | $2,360 | $-1,620 (-41%) |
| Gurnee, IL | 10.8 mi | $2,970 | $-1,010 (-25%) |
| Glenview, IL | 11.5 mi | $3,140 | $-840 (-21%) |
| Mundelein, IL | 12.3 mi | $3,020 | $-960 (-24%) |
4+ Bedroom rent in Lake Forest — common questions
How much is a 4+ bedroom apartment in Lake Forest?
As of July 2026, the median 4+ bedroom apartment rent in Lake Forest, Illinois is $3,980 per month. This is +23% below the citywide median of $5,171.
What income do you need to afford a 4+ bedroom in Lake Forest?
Using the standard 30% rent-to-income rule, you would need an annual income of about $159,200 ($13,267/month gross), which works out to roughly $76.54/hour at a full-time job.
Is Lake Forest expensive for a 4+ bedroom compared to the rest of the US?
Lake Forest's 4+ bedroom median of $3,980 is +58% above the national 4+ bedroom median of $2,520. It ranks in the 89th percentile of US cities tracked.
How does Lake Forest rank for 4+ bedroom rent in Illinois?
Among the 139 cities in Illinois with 4+ bedroom data, Lake Forest ranks #138 from cheapest to most expensive.
Are there cheaper 4+ bedroom options near Lake Forest?
Yes — nearby cities with cheaper 4+ bedroom rents include Lake Bluff ($3,170), Highland Park ($3,760), Vernon Hills ($3,590).