DeKalb County is located in the northwest region of Missouri, United States. Established in 1845, it is named after the German-born soldier and hero of the American Revolutionary War, Johann de Kalb. The county seat is Maysville, which serves as the primary hub for local government and services. The county covers an area of approximately 420 square miles and is characterized by its rural landscape, including farmland and small communities. DeKalb County is part of the Kansas City metropolitan area, providing residents with access to urban amenities while maintaining a quieter, country lifestyle.