DeKalb is a city in DeKalb County, Illinois, United States. The population was 40,290 at the 2020 census. The city is named after decorated Franconian-French war hero Johann de Kalb, who died during the American Revolutionary War.
The Egyptian Theatre in Downtown DeKalb
Ellwood House, the home of entrepreneur Isaac L. Ellwood
The Kishwaukee River
DeKalb Theater
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 Court House, Sycamore, Illinois