There are 28 zip codes in Lake County, Illinois. The most populated is 60085, located in Waukegan. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 60085 | 71,465 | Waukegan |
| 60073 | 62,071 | Round Lake |
| 60047 | 43,750 | Lake Zurich |
| 60089 | 42,867 | Buffalo Grove |
| 60031 | 37,202 | Gurnee |
| 60060 | 37,131 | Mundelein |
| 60030 | 35,978 | Grayslake |
| 60046 | 34,854 | Lake Villa |
| 60099 | 31,523 | Zion |
| 60035 | 30,215 | Highland Park |
| 60048 | 29,452 | Libertyville |
| 60015 | 27,835 | Deerfield |
| 60087 | 27,815 | Waukegan |
| 60061 | 27,602 | Vernon Hills |
| 60002 | 24,398 | Antioch |
| 60045 | 21,159 | Lake Forest |
| 60084 | 17,301 | Wauconda |
| 60064 | 15,380 | North Chicago |
| 60088 | 14,143 | Great Lakes |
| 60020 | 11,051 | Fox Lake |
| 60044 | 10,271 | Lake Bluff |
| 60083 | 9,699 | Wadsworth |
| 60041 | 8,843 | Ingleside |
| 60069 | 8,602 | Lincolnshire |
| 60042 | 8,589 | Island Lake |
| 60096 | 6,655 | Winthrop Harbor |
| 60040 | 5,227 | Highwood |
| 60075 | 0 | Russell |