Welcome to the City Government page for the City of Petaluma, California. The City of Petaluma is uniquely situated on the Petaluma River at the Northern end of the San Francisco Bay, and is the “southern gateway” to Sonoma County’s Wine Country. We are a full-service city, featuring City Hall, police and fire departments with ambulance service, public works and utilities, a state-of-the-art wastewater treatment facility, recreation programs and over forty city parks. Transportation amenities include public transit, the Petaluma Marina, and the Petaluma Municipal Airport. Petaluma’s population was 57,947 as of the 2010 United States Census, and the City of Petaluma employs over 300 employees.