San Francisco is the fourth most populous city in California and the 12th most populous city in the United States, with a 2008 estimated population of 808,976. The only consolidated city-county in California, it encompasses a land area of 46.7 square miles (121 km2) on the northern end of the San Francisco Peninsula, making it the second most densely populated city in the United States. San Francisco is also the financial, cultural, and transportation center of the larger San Francisco Bay Area, a region of 7.4 million...
