The San Francisco Fire Department (SFFD) provides fire and emergency medical services to the City and County of San Francisco, California.
The San Francisco Fire Department, along with the San Francisco Police Department and San Francisco Sheriff's Department, serves an estimated population of 1.4 million people (which includes the approximately 850,000 citizens residing in the 47.5 square miles (123 km2) of San Francisco, the daytime-commuter population, and the thousands of other visitors, tourists, and others present in the city every day) with approximately 1,700 firefighting and emergency medical field personnel. The department responds to, on average, approximately 73,000 emergency calls annually, with over 80% being emergency medical calls.