About san francisco
San Francisco, officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California, with 815,201 residents as of 2021, and covers a land area of 46.9 square miles, at the end of the San Francisco Peninsula, making it the second most densely populated large U.S. city after New York City and the fifth most densely populated U.S. county, behind only four of the five New York City boroughs. Among the 91 U.S. cities proper with over 250,000 residents, San Francisco was ranked first by per capita income and sixth by aggregate income as of 2021. Colloquial nicknames for San Francisco include SF, San Fran, The City, Frisco, and Baghdad by the Bay.

San francisco

brown and gray concrete buildings during daytime photo
brown and gray concrete buildings during daytime photo
silhouette of person standing inside tunnel
silhouette of person standing inside tunnel
photograph of city high-rise buildings
photograph of city high-rise buildings
Golden Gate Bridge
Golden Gate Bridge
the golden gate bridge is surrounded by fog
the golden gate bridge is surrounded by fog
buildings during daytime
buildings during daytime
woman in black jacket holding white printer paper
woman in black jacket holding white printer paper
man in black jacket standing beside man in black jacket
man in black jacket standing beside man in black jacket
girl in blue jacket holding happy birthday greeting card
girl in blue jacket holding happy birthday greeting card
a view of the golden gate bridge from below
a view of the golden gate bridge from below
woman in yellow pants holding white and purple happy birthday greeting card
woman in yellow pants holding white and purple happy birthday greeting card
View of street in San Francisco, California, earthquake aftermath with man patrolling with gun.
View of street in San Francisco, California, earthquake aftermath with man patrolling with gun.
Block of burned buildings in San Francisco after the 1906 earthquake with fire truck spraying water on them.
Block of burned buildings in San Francisco after the 1906 earthquake with fire truck spraying water on them.
woman in blue denim jacket holding white and blue signage
woman in blue denim jacket holding white and blue signage
a view of the golden gate bridge from the beach
a view of the golden gate bridge from the beach
boy in gray and green crew neck shirt holding white printer paper
boy in gray and green crew neck shirt holding white printer paper
city escape near water during daytime
city escape near water during daytime