LAKE FOREST, IL ZIP Code
| City | LAKE FOREST | 
| State | Illinois | 
| ZIP Codes count | 1 (see all) | 
| Post offices count | 2 (see all) | 
| Total population | 19,219 (see all) | 
ZIP Code in LAKE FOREST, Illinois
60045
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of LAKE FOREST, IL ZIP Codes
| ZIP | TYPE | POPU | 
|---|---|---|
| 60045 | STANDARD | 21,324 | 
Post offices
| LAKE FOREST — Post Office™ 230 NORTHGATE ST LAKE FOREST, IL 60045-1858 | 
| LIBERTYVILLE — Post Office™ 1520 ARTAIUS PKWY LIBERTYVILLE, IL 60048-5269 | 
Envelope example
On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:
- Recipient's full name
- Full street address
- City, State, and ZIP Code
Using the same format, write the return address in the top left corner.
Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.

The recipient address information is provided for your reference.
Address example
801 BARBERRY LN
LAKE FOREST IL 60045-1403
LAKE FOREST IL 60045-1403
425 E WESTMINSTER
LAKE FOREST IL 60045-2278
LAKE FOREST IL 60045-2278
1173 GRANDVIEW LN
LAKE FOREST IL 60045-4013
LAKE FOREST IL 60045-4013
1188 RANCH RD
LAKE FOREST IL 60045-3529
LAKE FOREST IL 60045-3529
8 S JUNE TER
LAKE FOREST IL 60045-3207
LAKE FOREST IL 60045-3207
216 SCOTT ST
LAKE FOREST IL 60045-1460
LAKE FOREST IL 60045-1460
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Census data for LAKE FOREST, IL
Demographic and housing estimates in LAKE FOREST, IL
| Total population | 19,219 | 
| Male | 9,455 | 
| Female | 9,764 | 
| Total population | 19,219 | 
| Under 5 years | 765 | 
| 5 to 9 years | 1,013 | 
| 10 to 14 years | 1,533 | 
| 15 to 19 years | 1,840 | 
| 20 to 24 years | 1,181 | 
| 25 to 34 years | 912 | 
| 35 to 44 years | 1,703 | 
| 45 to 54 years | 3,012 | 
| 55 to 59 years | 1,433 | 
| 60 to 64 years | 1,487 | 
| 65 to 74 years | 2,506 | 
| 75 to 84 years | 1,128 | 
| 85 years and over | 706 | 
| Median age (years) | 47.6 | 
| Under 18 years | 4,378 | 
| 16 years and over | 15,556 | 
| 18 years and over | 14,841 | 
| 21 years and over | 13,839 | 
| 62 years and over | 5,109 | 
| 65 years and over | 4,340 | 
| Total population | 19,219 | 
| One race | 18,891 | 
| White | 16,803 | 
| Black or African American | 381 | 
| American Indian and Alaska Native | 41 | 
| Asian | 1,562 | 
| Native Hawaiian and Other Pacific Islander | 0 | 
| Some other race | 104 | 
| Two or more races | 328 | 
| Citizen, VOTING AGE 18 and over population | 14,281 | 
| Male Citizen, VOTING AGE 18 and over population | 7,021 | 
| Female Citizen, VOTING AGE 18 and over population | 7,260 | 
Social characteristics in LAKE FOREST, IL
| Total households | 6,878 | 
| Family households (families) | 5,166 | 
| Married-couple family | 4,725 | 
| Male householder, no wife present, family | 157 | 
| Female householder, no husband present, family | 284 | 
| Nonfamily households | 1,712 | 
| Average household size | 2.65 | 
| Average family size | 3.14 | 
Economic characteristics in LAKE FOREST, IL
| Total households | 6,878 | 
| Less than $10,000 | 218 | 
| $10,000 to $14,999 | 77 | 
| $15,000 to $24,999 | 255 | 
| $25,000 to $34,999 | 208 | 
| $35,000 to $49,999 | 433 | 
| $50,000 to $74,999 | 614 | 
| $75,000 to $99,999 | 490 | 
| $100,000 to $149,999 | 801 | 
| $150,000 to $199,999 | 737 | 
| $200,000 or more | 3,045 | 
| Median household income (dollars) | 167,404 | 
Housing characteristics in LAKE FOREST, IL
| Total housing units | 7,648 | 
| Occupied housing units | 6,878 | 
| Vacant housing units | 770 | 
| Total housing units | 7,648 | 
| 1-unit, detached | 5,994 | 
| 1-unit, attached | 450 | 
| 2 units | 205 | 
| 3 or 4 units | 33 | 
| 5 to 9 units | 76 | 
| 10 to 19 units | 169 | 
| 20 or more units | 708 | 
| Mobile home | 13 | 
| Boat, RV, van, etc. | 0 | 
| Total housing units | 7,648 | 
| Built 2014 or later | 38 | 
| Built 2010 to 2013 | 19 | 
| Built 2000 to 2009 | 784 | 
| Built 1990 to 1999 | 1,157 | 
| Built 1980 to 1989 | 1,158 | 
| Built 1970 to 1979 | 1,048 | 
| Built 1960 to 1969 | 1,093 | 
| Built 1950 to 1959 | 1,016 | 
| Built 1940 to 1949 | 185 | 
| Built 1939 or earlier | 1,150 | 
| Total housing units | 7,648 | 
| 1 room | 58 | 
| 2 rooms | 43 | 
| 3 rooms | 127 | 
| 4 rooms | 478 | 
| 5 rooms | 636 | 
| 6 rooms | 662 | 
| 7 rooms | 744 | 
| 8 rooms | 1,031 | 
| 9 rooms or more | 3,869 | 
| Median rooms | 10.0 | 
| Total housing units | 7,648 | 
| No bedroom | 68 | 
| 1 bedroom | 245 | 
| 2 bedrooms | 1,046 | 
| 3 bedrooms | 1,804 | 
| 4 bedrooms | 2,466 | 
| 5 or more bedrooms | 2,019 | 
| Occupied housing units | 6,878 | 
| Owner-occupied | 5,846 | 
| Renter-occupied | 1,032 | 
| Average household size of owner-occupied unit | 2.68 | 
| Average household size of renter-occupied unit | 2.47 | 
| Occupied housing units | 6,878 | 
| Moved in 2017 or later | 346 | 
| Moved in 2015 to 2016 | 550 | 
| Moved in 2010 to 2014 | 1,757 | 
| Moved in 2000 to 2009 | 1,710 | 
| Moved in 1990 to 1999 | 1,300 | 
| Moved in 1989 and earlier | 1,215 | 
| Owner-occupied units | 5,846 | 
| Less than $50,000 | 87 | 
| $50,000 to $99,999 | 42 | 
| $100,000 to $149,999 | 61 | 
| $150,000 to $199,999 | 35 | 
| $200,000 to $299,999 | 218 | 
| $300,000 to $499,999 | 634 | 
| $500,000 to $999,999 | 2,592 | 
| $1,000,000 or more | 2,177 | 
| Median (dollars) | 851,900 | 
| Owner-occupied units | 5,846 | 
| Housing units with a mortgage | 3,612 | 
| Housing units without a mortgage | 2,234 | 
| Occupied units paying rent | 860 | 
| Less than $500 | 0 | 
| $500 to $999 | 179 | 
| $1,000 to $1,499 | 183 | 
| $1,500 to $1,999 | 136 | 
| $2,000 to $2,499 | 68 | 
| $2,500 to $2,999 | 110 | 
| $3,000 or more | 184 | 
| Median (dollars) | 1,750 | 
| No rent paid | 172 | 
Data is based on 2018 Census
ZIP Codes for other locations
State for LAKE FOREST
Illinois ZIP CodesOther cities in Illinois