Philadelphia, Pennsylvania
Consolidated city-county
City of Philadelphia
Philadelphia skyline (2015)
Liberty Bell and Independence Hall
City Hall
Museum of Art
Elfreth's Alley
College Hall, University of Pennsylvania
paifang in Chinatown
SS United States
Ben Franklin Bridge
Flag of Philadelphia, Pennsylvania
Official seal of Philadelphia, Pennsylvania
Etymology: Ancient Greekφίλος phílos (beloved, dear) and ἀδελφός adelphós (brother, brotherly)
Nickname(s): "Philly", "City of Brotherly Love", "The Athens of America"[1] more...
Motto(s): "Philadelphia maneto" ("Let brotherly love endure" or "... continue")[2][3]
Location of Philadelphia in Philadelphia County, Pennsylvania.
Location of Philadelphia in Philadelphia County, Pennsylvania.
Philadelphia is located in Pennsylvania
Location in the United States
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Coordinates: 40°00′34″N 75°08′00″W
Country  United States
Commonwealth  Pennsylvania
County  Philadelphia
Historic countries  Kingdom of England
 Kingdom of Great Britain
Historic colony  Province of Pennsylvania
Founded October 27, 1682
Incorporated October 25, 1701
Founded by William Penn
 • Type Mayor–Council
 • Body Philadelphia City Council
 • Mayor Jim Kenney (D)
 • Consolidated city-county 142.71 sq mi(369.62 km2)
 • Land 134.18 sq mi (347.52 km2)
 • Water 8.53 sq mi (22.09 km2)
Elevation 39 ft (12 m)
Population (2017)[6]
 • Consolidated city-county 1,580,863
 • Rank US city: 6th
 • Density 11,781.7/sq mi (4,549.0/km2)
 • Metro 6,096,120 (US: 8th)[4]
 • CSA 7,206,807 (US: 8th)[5]
 • Demonym Philadelphian
Time zone EST (UTC-5)
 • Summer (DST) EDT (UTC-4)
ZIP code 19092-19093, 19099, 191xx
Area code(s) 215, 267, 445
FIPS code 42-60000
GNIS feature ID 1215531[7]