Residential delivery area · Illinois
ZIP Code 60045: Lake Forest, IL
ZIP code 60045 is in Lake Forest, Illinois, entirely in Lake County (Census 2020 ZIP-county file). About 21,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $233,125 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lake Forest (79%) and Mettawa (9%), and 3% in smaller places; 9% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lake Forest · its only residential ZIP
- County
- Lake County
- Census places
- Lake Forest (79%); Mettawa (9%)
- Neighborhood
- Everett GeoNames
- Metro area
- Chicago-Naperville-Elgin, IL-IN
- House district
- IL-10 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 21.3 sq mi · 989 people per sq mi
Where is ZIP code 60045?
60045 centers on 42.236°, -87.865° and covers 21.3 square miles of land plus 1.6 of water. It borders 6 ZIP codes: 60040, 60044, 60069, 60015, 60035, 60048.
The map draws ZIP code areas only. For the streets inside 60045, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 60045 compare with the rest of Lake County?
| Measure | 60045 | In Lake County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 21,074 | 20th of 34 | 226th of 1,396 |
| Median household income | $233k | 1st of 32 | 5th of 797 |
| Median home value | $924k | 1st of 31 | 5th of 842 |
Its median household income is higher than in more than 99% of U.S. residential ZIP codes, and it is denser than 78% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 60045?
The 2020 Census counted 21,026 people in 60045; the ACS, which samples households over 2020-2024, estimates 21,074. Between the 2010 and 2020 censuses its population grew 0.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 21,074
- 2020 Census count
- 21,026+0.5% since 2010 (20,925)
- Households
- 7,470
- Median age
- 45.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 60045?
Of the 21,074 people the ACS estimates in 60045, 19.8% are under 18 and 26.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.4%).
- Under 1819.8%
- 18 to 6454.1%
- 65 and older26.1%
- White, not Hispanic80.4%
- Asian, not Hispanic7.1%
- Other or two or more6.0%
- Hispanic or Latino5.7%
- Black, not Hispanic0.9%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 60045 earn?
Median household income is $233,125 (ACS 2020-2024), the highest of the 32 ranked ZIP codes in Lake County. It is not measurably different from 2015-2019 ($220,322 in 2024 dollars): the change is within the surveys' margins of error.
By IRS adjusted gross income per tax return ($656,978, 2022), 60045 ranks 49th in the U.S. among ZIP codes of 1,000+ people with 200+ returns and at most 1.5 returns per household (see the ranking).
- Median household income
- $233,125
- Income per person
- $107,457
- Below the poverty line
- 3.5%
- Unemployed (of the labor force)
- 1.8%
- Adults 25+ with a bachelor's degree
- 81.2%
- Adjusted gross income per tax return, 2022
- $656,97810,280 returns; wages 34% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 60045?
FHFA's house price index for 60045, built from repeat sales and appraisals of the same homes, rose 43% from 2015 to 2025 and rose 47% from 2020 to 2025, and moved +7.7% in 2025.
- Median home value (owners' estimate)
- $923,500
- Median gross rent
- $1,857
- Homes owned by their occupants
- 89.0%
- Housing units
- 7,864
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 60045?
940 business establishments had a location in this ZIP code in 2023, 26 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services189
- Health care and social assistance116
- Finance and insurance94
- Other services (except public administration)72
- Real estate and rental and leasing68
- Retail trade66
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 60045?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 60040 | Highwood | 5,301 | $108k | 3.3 mi |
| 60044 | Lake Bluff | 10,312 | $135k | 3.6 mi |
| 60069 | Lincolnshire | 8,502 | $163k | 4.1 mi |
| 60015 | Deerfield | 28,096 | $183k | 4.4 mi |
| 60035 | Highland Park | 30,398 | $168k | 4.6 mi |
| 60048 | Libertyville | 29,124 | $174k | 5.7 mi |
| 60061 | Vernon Hills | 27,974 | $125k | 4.8 mi (near) |
| 60088 | Great Lakes | 14,400 | $66k | 5.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.