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Zip Codes in DeKalb County, Illinois
| County Name | DeKalb County |
| FIPS Code | 17037 |
| Population | 105160 |
| Unemployment Rate | 15.1% |
| Current Time: | CDT |
| Time Zone: | Central Daylight Time |
List of Zipcodes in DeKalb County, Illinois |
|---|
| ZIP Code | ZIP Code Name | Population | Type |
| Clare | 258 | Non-Unique |
| Cortland | 4560 | Non-Unique |
| Dekalb | 46272 | Non-Unique |
| Elburn | 10371 | Non-Unique |
| Esmond | 242 | Non-Unique |
|
| Genoa | 7248 | Non-Unique |
| Hampshire | 14341 | Non-Unique |
| Kingston | 2627 | Non-Unique |
| Kirkland | 2713 | Non-Unique |
| Malta | 1794 | Non-Unique |
| Maple Park | 4061 | Non-Unique |
| Marengo | 12533 | Non-Unique |
| Sycamore | 21840 | Non-Unique |
| Big Rock | 1793 | Non-Unique |
| Earlville | 3580 | Non-Unique |
| Hinckley | 2886 | Non-Unique |
| Lee | 649 | Non-Unique |
| Leland | 1902 | Non-Unique |
| Sandwich | 12218 | Non-Unique |
| Shabbona | 1440 | Non-Unique |
| Somonauk | 4448 | Non-Unique |
| Waterman | 2007 | Non-Unique |
| List of Counties that Border DeKalb County, Illinois |
|---|
| Boone, IL |
| DeKalb, IL |
| Kane, IL |
| Kendall, IL |
| LaSalle, IL |
| Lee, IL |
| Mchenry, IL |
| Ogle, IL |
| Winnebago, IL |
| List of Cities/Towns in DeKalb County, Illinois |
|---|
| Cortland, IL |
| DeKalb, IL |
| Genoa, IL |
| Hinckley, IL |
| Kingston, IL |
| Kirkland, IL |
| Lee, IL |
| Malta, IL |
| Maple Park, IL |
| Sandwich, IL |
| Shabbona, IL |
| Somonauk, IL |
| Sycamore, IL |
| Waterman, IL |