Zip Code 60045
Lake Forest, Illinois — Lake County
📍 ZIP code 60045 is in Lake Forest, Lake County, Illinois.
ZIP code 60045 is located in Lake Forest, Lake County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 20,957. The area code for ZIP code 60045 is 312.
Quick Answer
Zip code 60045 is in Lake Forest, Illinois (Lake County). It has a population of 20,957, median household income of $225,551, and median home value of $899,200.
Population
20,957
Income
$225,551
Home Value
$899,200
Climate
84°F / 16°F
About Zip Code 60045
Zip code 60045 is located in Lake Forest, Illinois, within Lake County. Home to approximately 20,957 residents, this area sits at an elevation of 668 ft and falls within the Central (CST/CDT) timezone. The local area code is 312.
The median household income is $225,551 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $899,200, and the cost of living index is 250 (150% above the national average of 100).
Summers average a high of 84°F while winters drop to 16°F. The area receives about 40 in of rain and 34 in of snow annually. The zip code covers 21.2 square miles of land area and 1.6 square miles of water.
Key Statistics
20,957
$225,551
$899,200
Central (CST/CDT)
312
668 ft
21.2 sq mi
46.1
7,939
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Compare With Nearby Zip Codes
| Metric | 60045 | 60044 | 60040 | 60069 | 60015 | 60035 |
|---|---|---|---|---|---|---|
| City | Lake Forest, IL | Lake Bluff, IL | Highwood, IL | Lincolnshire, IL | Deerfield, IL | Highland Park, IL |
| Population | 20,957 | 10,289 | 5,243 | 8,728 | 27,720 | 30,236 |
| Median Income | $225,551 | $127,546 | $101,862 | $157,366 | $186,786 | $161,811 |
| Home Value | $899,200 | $568,500 | $454,500 | $569,900 | $602,700 | $594,600 |
| Cost of Living | 250 | 177 | 164 | 196 | 224 | 212 |
| Median Age | 46.1 | 44.3 | 35.9 | 51.5 | 44.2 | 46 |
Cost of Living
100 = National Average. Lake Forest's cost of living is 150% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.0x
Demographics
Zip code 60045 has a population of 20,957 people with a median age of 46.1. There are 7,939 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Lake Forest (60045) population trend from 2010 to 2024
↓ -13.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
84°F
16°F
40 in
34 in
Lake Forest experiences warm summers with average highs around 84°F. Winters are cold with lows averaging 16°F. With 34 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$899,200
Median Household Income
$225,551
With 7,939 housing units across 21.2 square miles, 60045 has a housing density of 374 units per square mile. The home price-to-income ratio is 4.0x.
Location & Geography
Latitude
42.2360°
Longitude
-87.8648°
Land Area
21.2 sq mi
Water Area
1.6 sq mi
Nearby Zip Codes
Zip codes closest to 60045 (Lake Forest, IL) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 60045's $225,551. A way to compare Lake Forest to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 60045 (Lake Forest, IL). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Lake Forest, Illinois?
Lake Forest, Illinois uses zip code 60045.
What county is zip code 60045 in?
Zip code 60045 is located in Lake County, Illinois.
What is the population of zip code 60045?
The population of zip code 60045 is 20,957 with a median age of 46.1.
Is 60045 in Lake Forest, Illinois?
Yes, zip code 60045 is in Lake Forest, Lake County, Illinois. The area code is 312.
Frequently Asked Questions
What city is zip code 60045 in?
Zip code 60045 is in Lake Forest, Illinois. It is part of Lake County and uses the Central (CST/CDT) timezone.
What is zip code 60045?
Zip code 60045 is a U.S. postal code in Lake Forest, Illinois (Lake County). It has a population of 20,957 and covers 21.2 square miles.
What is the population of zip code 60045?
The population of zip code 60045 (Lake Forest, IL) is 20,957 with a median age of 46.1. There are approximately 7,939 housing units in this area.
What is the median income in zip code 60045?
The median household income in zip code 60045 (Lake Forest, IL) is $225,551 per year. The cost of living index is 250 (100 = national average).
What is the average home price in zip code 60045?
The median home value in zip code 60045 (Lake Forest, IL) is $899,200. The cost of living index is 250 compared to the national average of 100.
What county is zip code 60045 in?
Zip code 60045 is located in Lake County, Illinois. The primary city is Lake Forest.
What is the area code for zip code 60045?
Zip code 60045 in Lake Forest, IL uses area code 312. It is located in the Central (CST/CDT) timezone.
Is zip code 60045 a good place to live?
Zip code 60045 (Lake Forest, IL) has a cost of living index of 250 (100 = national average), a median household income of $225,551, and median home values of $899,200. The median age is 46.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 60045?
The cost of living index for zip code 60045 (Lake Forest, IL) is 250, where 100 represents the national average. This area is above the national average. Median home value: $899,200.
What schools serve zip code 60045?
Zip code 60045 in Lake Forest, Illinois is served by the local school district of Lake County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.