| City and County of San Francisco | |||
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| Nickname(s): The City by the Bay, Frisco | |||
| Motto: Oro en Paz, Fierro en Guerra (Spanish language |
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| Coordinates: 37°46′45.48″N 122°25′9.12″W / 37.7793°N 122.4192°W / 37.7793; -122.4192 | |||
| Country | United States | ||
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| 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 | Supervisors
Eric Mar
Michela Alioto-Pier David Chiu Carmen Chu Ross Mirkarimi Chris Daly Sean Elsbernd Bevan Dufty David Campos Sophie Maxwell John Avalos |
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| - California State Assembly | Fiona Ma (D) Tom Ammiano (D) |
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| - California State Senate | Mark Leno (D) Leland Yee (D) |
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| - United States House of Representatives | Nancy Pelosi (D) Jackie Speier (D) |
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| 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 | ||