Lake County, Illinois ZIP Codes
- ZIP records
28 - Cities represented
27 - Sum of listed ZIP population estimates
701,818
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 60085 | Waukegan | 72,341 |
| 2 | 60073 | Round Lake | 62,868 |
| 3 | 60047 | Lake Zurich | 44,240 |
| 4 | 60089 | Buffalo Grove | 42,872 |
| 5 | 60060 | Mundelein | 37,344 |
| 6 | 60031 | Gurnee | 37,107 |
| 7 | 60030 | Grayslake | 35,792 |
| 8 | 60046 | Lake Villa | 34,613 |
| 9 | 60099 | Zion | 30,881 |
| 10 | 60035 | Highland Park | 30,398 |
Cities in Lake County
- Antioch
- Buffalo Grove
- Deerfield
- Fox Lake
- Grayslake
- Great Lakes
- Gurnee
- Highland Park
- Highwood
- Ingleside
- Island Lake
- Lake Bluff
- Lake Forest
- Lake Villa
- Lake Zurich
- Libertyville
- Lincolnshire
- Mundelein
- North Chicago
- Round Lake
- Russell
- Vernon Hills
- Wadsworth
- Wauconda
- Waukegan
- Winthrop Harbor
- Zion
ZIP Directory
- ZIP 60002
- ZIP 60015
- ZIP 60020
- ZIP 60030
- ZIP 60031
- ZIP 60035
- ZIP 60040
- ZIP 60041
- ZIP 60042
- ZIP 60044
- ZIP 60045
- ZIP 60046
- ZIP 60047
- ZIP 60048
- ZIP 60060
- ZIP 60061
- ZIP 60064
- ZIP 60069
- ZIP 60073
- ZIP 60075
- ZIP 60083
- ZIP 60084
- ZIP 60085
- ZIP 60087
- ZIP 60088
- ZIP 60089
- ZIP 60096
- ZIP 60099
Browse all ZIP data for Illinois
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.