City Data – San Francisco CA 94129 – San Mateo County – 25/27

San Francisco , officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California and the only consolidated city-county in California. San Francisco encompasses a land area of about 46.9 square miles (121 km²) on the northern end of the San Francisco Peninsula, which makes it the smallest county in the state. It has a density of about 18,451 people per square mile (7,124 people per km²), making it the most densely settled large city (population greater than 200,000) in the state of California and the second-most densely populated major city in the United States after New York City. San Francisco is the fourth-most populous city in California, after Los Angeles, San Diego, and San Jose, and the 13th-most populous city in the United States—with a Census-estimated 2015 population of 864,816.The city and its surrounding areas are known as the San Francisco Bay Area, and are a part of the larger OMB-designated San Jose-San Francisco-Oakland combined statistical area, the fifth most populous in the nation with an estimated population of 8.7 million.

Estimated zip code population in 2013: 2,787
Zip code population in 2010: 3,183
Zip code population in 2000: 2,228

Average Adjusted Gross Income (AGI) in 2012: $292,752 (Individual Income Tax Returns)
Here: $292,752
State: $72,726