DeKalb County is a county located in the U.S. state of Illinois. As of the 2020 United States Census, the population was 100,420. Its county seat is Sycamore. DeKalb County is part of the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area.

What's the meaning of DeKalb?

DeKalb is a city in DeKalb County, Illinois, United States. ... The city is named after decorated German war hero Johann de Kalb, who died during the American Revolutionary War.

Where does the name DeKalb come from?

How DeKalb got it's name: DeKalb was originally named Huntley's Grove, but was later named after the county, whose name originated from war hero Baron Johann DeKalb. Barbed Wire: Joseph Glidden, who developed barbed wire, is a historic citizen of DeKalb. Glidden would ultimately be known as the “Father of Barbed Wire”.