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Zip Codes in Mchenry County, Illinois
| County Name | Mchenry County |
| FIPS Code | 17111 |
| Population | 308760 |
| Unemployment Rate | 2.7% |
| Current Time: | CDT |
| Time Zone: | Central Daylight Time |
List of Zipcodes in Mchenry County, Illinois |
|---|
| ZIP Code | ZIP Code Name | Population | Type |
| Twin Lakes | 7357 | Non-Unique |
| Crystal Lake | 11120 | Non-Unique |
| Cary | 26872 | Non-Unique |
| Crystal Lake | 48550 | Non-Unique |
| Fox River Grove | 5545 | Non-Unique |
|
| Harvard | 13922 | Non-Unique |
| Hebron | 2040 | Non-Unique |
| Island Lake | 8547 | Non-Unique |
| Mchenry | 31620 | Non-Unique |
| Mchenry | 25192 | Non-Unique |
| Richmond | 3598 | Non-Unique |
| Ringwood | 928 | Non-Unique |
| Spring Grove | 10079 | Non-Unique |
| Wonder Lake | 11250 | Non-Unique |
| Woodstock | 32228 | Non-Unique |
| Algonquin | 32193 | Non-Unique |
| Genoa | 7248 | Non-Unique |
| Huntley | 26447 | Non-Unique |
| Marengo | 12533 | Non-Unique |
| Lake In The Hills | 28987 | Non-Unique |
| Union | 1694 | Non-Unique |
| Garden Prairie | 1354 | Non-Unique |
| Alden | 0 | PO Box |
| Crystal Lake | 0 | PO Box |
| List of Cities/Towns in Mchenry County, Illinois |
|---|
| Algonquin, IL |
| Barrington Hills, IL |
| Bull Valley, IL |
| Cary, IL |
| Crystal Lake, IL |
| Fox Lake, IL |
| Fox River Grove, IL |
| Greenwood, IL |
| Harvard, IL |
| Hebron, IL |
| Holiday Hills, IL |
| Huntley, IL |
| Island Lake, IL |
| Johnsburg, IL |
| Lake in the Hills, IL |
| Lakemoor, IL |
| Lakewood, IL |
| Marengo, IL |
| McCullom Lake, IL |
| McHenry, IL |
| Oakwood Hills, IL |
| Pistakee Highlands, IL |
| Prairie Grove, IL |
| Richmond, IL |
| Ringwood, IL |
| Spring Grove, IL |
| Trout Valley, IL |
| Union, IL |
| Wonder Lake, IL |
| Woodstock, IL |