Zip Code 60042 — Island Lake, IL
60042 is a ZIP Code associated with Island Lake, IL, located within Lake. The postal region supports an estimated population of 8,347 residents across Data Pending housing units, with a population density of 705.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (42.279130, -88.197770)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 60042 |
| Primary City | Island Lake |
| State / Province | IL |
| County | Lake |
| Total Population | 8,347 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 705.7 people/sq mi |
| Timezone | America/Chicago |
How 60042 Compares
| Metric | ZIP 60042 | Lake County | IL State Average |
|---|
| Population | 8,347 | 701,818 | 12,694,745 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 705.7 /sq mi | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →