San Francisco

San Francisco
source
Name	San Francisco
Settlement type	Consolidated city-county
Nickname	"The City by the Bay", "SF", "Frisco"
Motto	"Oro en Paz, Fierro en Guerra", ("Gold in Peace, Iron in War")
Subdivision type	Country
Subdivision name	United States
Subdivision type1	State
Subdivision name1	California
Subdivision type2	County
Subdivision name2	San Francisco (coextensive)
Established title	Founded
Established date	June 29, 1776
Established title1	Incorporated
Established date1	April 15, 1850
Government type	Mayor–Council
Leader title	Mayor
Leader name	London Breed
Leader title1	Board of Supervisors
Leader name1	Aaron Peskin (President)
Unit pref	Imperial
Area total sq mi	46.9
Area land sq mi	46.9
Area water sq mi	185.2
Elevation ft	52
Population total	873,965
Population as of	2020
Population density sq mi	auto
Population metro	9.7 million (San Jose–San Francisco–Oakland, CA Combined Statistical Area)
Timezone	PST
Utc offset	–8
Timezone DST	PDT
Utc offset DST	–7
Postal code type	ZIP Codes
Postal code	941xx
Area code	415/628
Blank name	FIPS code
Blank info	06-67000
Blank1 name	GNIS feature ID
Blank1 info	277593
Website	sf.gov

San Francisco, officially the City and County of San Francisco, is a cultural, commercial, and financial center of Northern California. Located on a peninsula between the San Francisco Bay and the Pacific Ocean, it is known for its iconic Golden Gate Bridge, historic cable cars, steep hills, and diverse neighborhoods. The city is a principal city of the Bay Area and a hub for technology, tourism, and progressive politics.

History

The earliest archaeological evidence of human habitation dates to 3000 BCE by the Ohlone people. The Spanish established the Presidio of San Francisco and Mission San Francisco de Asís in 1776. Following the Mexican War of Independence, the area became part of Alta California under Mexico. The California Gold Rush of 1849 transformed the small settlement into a booming port city, attracting fortune-seekers from around the world, including a significant influx from China. The city was devastated by the 1906 San Francisco earthquake and subsequent fires but was rapidly rebuilt. Major developments included the completion of the Golden Gate Bridge in 1937, the United Nations Charter being signed in the War Memorial Opera House in 1945, and the rise of the counterculture of the 1960s centered in the Haight-Ashbury district. The 1989 Loma Prieta earthquake caused significant damage, and the city later became a global epicenter for the dot-com bubble and the LGBT rights movement.

Geography and climate

The city is located on the northern tip of a peninsula, bounded by the San Francisco Bay to the east and the Pacific Ocean to the west, with notable features like the Golden Gate strait. Its terrain is famously hilly, with over 50 hills, including Nob Hill, Russian Hill, and Telegraph Hill. The San Andreas Fault and Hayward Fault Zone run nearby, contributing to seismic activity. The climate is characterized as a Mediterranean climate with cool, wet winters and dry, foggy summers, heavily influenced by the cold California Current and the marine layer, often creating dense fog that rolls in through the Golden Gate.

Demographics

According to the 2020 United States Census, the population is approximately 873,965, making it the fourth-most populous city in California. The city is a majority-minority area with no single racial group constituting over 50% of the population. Major ethnic groups include non-Hispanic Whites, Asian Americans (with large Chinese American and Filipino American communities), and Hispanic or Latino residents. It has one of the highest percentages of LGBT residents in the United States and a significant population of individuals holding a bachelor's degree or higher. Neighborhoods exhibit distinct demographic characters, from the historically African-American Fillmore District to the Latin American cultural center of the Mission District.

Economy

A leading financial and technology hub, the city is home to the Twelfth District Federal Reserve Bank and the corporate headquarters of major firms like Salesforce, Uber, Airbnb, and Twitter. Union Square and the Financial District are central commercial areas, while South of Market (SoMa) has become a center for tech startups and venture capital firms like Andreessen Horowitz. Tourism is a major industry, driven by landmarks such as Fisherman's Wharf, Alcatraz Island, and Chinatown. The city's Port of San Francisco remains an important shipping terminal, and it is a major center for conventions and trade shows at the Moscone Center.

Culture

Renowned for its arts scene, the city is home to institutions like the San Francisco Museum of Modern Art, the San Francisco Symphony, and the San Francisco Ballet. The annual San Francisco International Film Festival and Outside Lands Music and Arts Festival are major cultural events. Its culinary landscape is celebrated for innovations like sourdough bread and California cuisine, with numerous Michelin starred restaurants. The city's LGBT culture is globally influential, centered in the Castro District and celebrated during the San Francisco Pride parade. Other iconic cultural elements include the beat generation legacy in North Beach, the San Francisco Giants at Oracle Park, and the historic cable car system.

Government and politics

The city is a consolidated city-county with a government structured under a Charter of the City and County of San Francisco. The executive branch is led by a Mayor, currently London Breed, while the legislative branch is the 11-member San Francisco Board of Supervisors, presided over by Aaron Peskin. The city employs a ranked-choice voting system for local elections. Politically, it is a stronghold of the Democratic Party, known for its progressive policies on issues such as environmentalism, universal healthcare, and immigration. 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