The city and County of San Francisco is densely populated and is known for its diverse, cosmopolitan population. Tourism is the backbone of the city's economy. There are many financial institutions, multinational banks and venture capital firms which are based in or have regional headquarters in the city. Wells Fargo Bank is headquartered in San Francisco. The average income is about $86,100 while the average home rental is $1,690. Wells Fargo, Bank of America and State Farm are among the largest financial service providers in San Francisco.
