Lake County, Illinois ZIP codes
32 ZIP codes are in Lake County, plus 8 that cross in from neighboring counties. It's part of the Chicago-Naperville-Elgin, IL-IN metro area.
- ZIP codes
- 32
- Population in these ZIPs
- 701,818
- Avg. median income
- $117,400population-weighted
- Cities & towns
- 29
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Lake County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 60002 | Antioch | 24,232 | $104,981 | $358,700 |
| 60011 PO Box | Barrington | — | — | — |
| 60015 | Deerfield | 28,096 | $183,125 | $730,400 |
| 60020 | Fox Lake | 10,970 | $73,949 | $267,400 |
| 60030 | Grayslake | 35,792 | $104,795 | $358,100 |
| 60031 | Gurnee | 37,107 | $111,034 | $379,400 |
| 60035 | Highland Park | 30,398 | $168,094 | $801,700 |
| 60037 PO Box | Fort Sheridan | — | — | — |
| 60040 | Highwood | 5,301 | $107,875 | $498,300 |
| 60041 | Ingleside | 9,024 | $93,396 | $308,600 |
| 60042 | Island Lake | 8,347 | $99,917 | $307,100 |
| 60044 | Lake Bluff | 10,312 | $134,724 | $675,500 |
| 60045 | Lake Forest | 21,074 | $233,125 | $1,231,200 |
| 60046 | Lake Villa | 34,613 | $126,042 | $361,600 |
| 60047 | Lake Zurich | 44,240 | $176,081 | $663,500 |
| 60048 | Libertyville | 29,124 | $173,975 | $628,100 |
| 60060 | Mundelein | 37,344 | $110,335 | $391,100 |
| 60061 | Vernon Hills | 27,974 | $124,468 | $457,000 |
| 60064 | North Chicago | 14,884 | $49,195 | $223,500 |
| 60069 | Lincolnshire | 8,502 | $162,826 | $700,100 |
| 60073 | Round Lake | 62,868 | $98,514 | $281,100 |
| 60075 | Russell | 129 | — | — |
| 60079 PO Box | Waukegan | — | — | — |
| 60083 | Wadsworth | 9,981 | $123,125 | $389,800 |
| 60084 | Wauconda | 17,192 | $110,090 | $367,000 |
| 60085 | Waukegan | 72,341 | $66,793 | $239,600 |
| 60086 PO Box | North Chicago | — | — | — |
| 60087 | Waukegan | 27,293 | $76,738 | $269,600 |
| 60088 | Great Lakes | 14,400 | $66,008 | — |
| 60089 | Buffalo Grove | 42,872 | $129,401 | $444,300 |
| 60096 | Winthrop Harbor | 6,527 | $95,601 | $320,700 |
| 60099 | Zion | 30,881 | $66,109 | $271,900 |
ZIP codes partly in Lake County
These ZIP codes are mostly in a neighboring county but cover part of Lake County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 60010 | Barrington | Cook County | 45,747 | $177,566 | $732,000 |
| 60013 | Cary | McHenry County | 26,694 | $120,604 | $382,600 |
| 60021 | Fox River Grove | McHenry County | 4,996 | $119,176 | $362,100 |
| 60050 | Mchenry | McHenry County | 31,781 | $88,812 | $313,500 |
| 60051 | Mchenry | McHenry County | 24,621 | $100,762 | $332,500 |
| 60074 | Palatine | Cook County | 36,460 | $84,089 | $315,100 |
| 60081 | Spring Grove | McHenry County | 9,088 | $116,706 | $425,400 |
| 60090 | Wheeling | Cook County | 38,298 | $85,355 | $316,200 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Lake County
Nearby counties
Frequently asked questions
How many ZIP codes are in Lake County, Illinois?
32 ZIP codes are mainly in Lake County, and 8 more ZIP codes from neighboring areas reach partly into it.
What cities are in Lake County?
ZIP codes in Lake County use the city names Antioch, Barrington, Buffalo Grove, Deerfield, Fort Sheridan, Fox Lake, Grayslake, Great Lakes, Gurnee, Highland Park, Highwood and Ingleside and others.
What metro area is Lake County in?
Lake County is part of the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area.