Welcome to Belvidere, Illinois! Founded in 1835, this charming town of approximately 30,109 residents is steeped in history. Known for its iconic Boone County Courthouse and connection to famous mobster Johnny Torrio, Belvidere offers a unique blend of small-town charm and intriguing stories. Sister cities include Schwetzingen, Germany, and Lerdo, Mexico. Discover the hidden gems and rich culture of Belvidere on your next adventure!