San Francisco, California

City and County of San Francisco
San Francisco from the Marin Headlands, with the Golden Gate Bridge in the foreground
San Francisco from the Marin Headlands, with the Golden Gate Bridge in the foreground
San Francisco from the Marin Headlands, with the Golden Gate Bridge in the foreground
Flag of City and County of San Francisco
Flag
Official seal of City and County of San Francisco
Seal
Nickname(s): The City by the Bay, Frisco
Motto: Oro en Paz, Fierro en Guerra
(Spanish language
Location of San Francisco, California
Location of San Francisco, California
Location of San Francisco, California
Coordinates: 37°46′45.48″N 122°25′9.12″W / 37.7793°N 122.4192°W / 37.7793; -122.4192
Country United States
U.S. state California
Founded June 29, 1776
Municipal incorporation April 15, 1850
Founder Lieutenant José Joaquin Moraga and Father Francisco Palóu
Named for Saint Francis of Assisi
Government
 - Type Consolidated city-county
 - Mayor Gavin Newsom (D)
 - San Francisco Board of Supervisors
 - California State Assembly Fiona Ma (D)
Tom Ammiano (D)
 - California State Senate Mark Leno (D)
Leland Yee (D)
 - United States House of Representatives Nancy Pelosi (D)
Jackie Speier (D)
Area
 - City 231.92 sq mi (600.7 km2)
 - Land 46.7 sq mi (121 km2)
 - Water 185.2 sq mi (479.7 km2)  79.8%
 - Metro 3,524.4 sq mi (9,128.2 km2)
Elevation 52 ft (16 m)
Highest elevation 925 ft (282 m)
Lowest elevation 0 ft (0 m)
Population (2008)[1][2][3]
 - City 808,976
 - Density 17,323/sq mi (6,688.4/km²)
 - Urban 3,228,605
 - Metro 4,203,898
 - Demonym San Franciscan
Time zone Pacific Standard Time (UTC-8)
 - Summer (DST) Pacific Daylight Time (UTC-7)
ZIP Code 94101–94112, 94114–94147, 94150–94170, 94172, 94175, 94177
Area code(s) Area code 415
Website www.sfgov.org