The City and County of San Francisco (2004 estimated population 744,230) is the fourth-largest city in the state of California, United States.
The city is a focal point of the San Francisco Bay Area, and part of the greater San Jose-San Francisco-Oakland Combined Statistical Area (CSA), whose population is over 7 million. U.S. census data show that San Francisco has the highest population density of any major U.S. city aside from New York City.
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