The latitude and longitude of DeKalb County, Illinois is:

41° 53' 50" N

/ 88° 44' 21" W

DeKalb County, IL

State: Illinois

Country: United States

Latitude: 41.897263

Longitude: -88.739318

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Time zone at the center of DeKalb County: America/Chicago

Current time zone offset: UTC/GMT -5 hours

The current time and date at the center of DeKalb County is 6:35 PM on Sunday, June 8, 2025. Search for a particular city within DeKalb County to find the local time in that city.

Map of DeKalb County, IL

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U.S. Counties

Travelmath provides a database of counties in the United States, marking the latitude and longitude of the center of each county. You can use this to look up the county of your home city, or explore surrounding counties in your state. Find out how far it is to drive to another county, or just browse the database for a research project.