The St. Louis Fire Department (STLFD or STL City Fire) provides emergency medical services, fire cause determination, fire prevention, fire suppression, hazardous materials mitigation, and rescue services to the city of St. Louis, Missouri. The department is also the Second oldest paid fire department in the United States. The STLFD is responsible for 69.0 square miles (179 km2) and has a population of approximately 294,890 with a daytime population of over 2 million. The Fire Department Division is a division of the St. Louis Public Safety Department.