The Carlton Fire Department responds to all fire-related emergencies in a 67.5 square mile area including the City of Carlton, Twin Lakes Township, Sawyer Township, Atkinson Township, a portion of Thomson Township, and the City of Thomson. The department has mutual aid agreements with all of the fire departments in Carlton County.  Along with a county wide mutual aid agreement Carlton Fire holds automatic aid agreements with the Wrenshall and Esko fire departments and responds to fire calls in those jurisdictions, bringing the total response area to 225.6 square miles.