DeKalb County Map
The County of DeKalb is located in the State of Illinois. Find directions to DeKalb County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the DeKalb County population is estimated at 104,491 people. The DeKalb County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby counties include Boone County, Kane County, Kendall County, LaSalle County, Lee County, McHenry County, Ogle County, Winnebago County.
Top cities include DeKalb, Sycamore, Sandwich, Genoa, Cortland