<Table> <Tr> <Th colspan="2"> Philadelphia , Pennsylvania </Th> </Tr> <Tr> <Td colspan="2"> Consolidated city - county </Td> </Tr> <Tr> <Td colspan="2"> City of Philadelphia </Td> </Tr> <Tr> <Td colspan="2"> Clockwise from top : Philadelphia skyline ( 2015 ) ; City Hall ; Elfreth 's Alley ; paifang in Chinatown ; Ben Franklin Bridge ; SS United States at Port of Philadelphia ; College Hall at Penn ; Museum of Art ; Liberty Bell and Independence Hall </Td> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> Flag </Td> <Td> Seal </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td colspan="2"> Etymology : Ancient Greek : φίλος phílos ( beloved , dear ) and ἀδελφός adelphós ( brother , brotherly ) </Td> </Tr> <Tr> <Td colspan="2"> Nickname ( s ) : `` Philly '' , `` City of Brotherly Love '' , `` The Athens of America '' more ... </Td> </Tr> <Tr> <Td colspan="2"> Motto ( s ) : `` Philadelphia maneto '' ( `` Let brotherly love endure '' or `` ... continue '' ) </Td> </Tr> <Tr> <Td colspan="2"> Location of Philadelphia in Philadelphia County , Pennsylvania . </Td> </Tr> <Tr> <Td colspan="2"> Philadelphia Location in the United States Philadelphia Philadelphia ( the US ) Show map of Pennsylvania Show map of the US Show all </Td> </Tr> <Tr> <Td colspan="2"> Coordinates : 40 ° 00 ′ 34 '' N 75 ° 08 ′ 00 '' W ﻿ / ﻿ 40.009376 ° N 75.133346 ° W ﻿ / 40.009376 ; - 75.133346 Coordinates : 40 ° 00 ′ 34 '' N 75 ° 08 ′ 00 '' W ﻿ / ﻿ 40.009376 ° N 75.133346 ° W ﻿ / 40.009376 ; - 75.133346 </Td> </Tr> <Tr> <Th> Country </Th> <Td> United States </Td> </Tr> <Tr> <Th> Commonwealth </Th> <Td> Pennsylvania </Td> </Tr> <Tr> <Th> County </Th> <Td> Philadelphia </Td> </Tr> <Tr> <Th> Historic countries </Th> <Td> Kingdom of England Kingdom of Great Britain </Td> </Tr> <Tr> <Th> Historic colony </Th> <Td> Province of Pennsylvania </Td> </Tr> <Tr> <Th> Founded </Th> <Td> October 27 , 1682 </Td> </Tr> <Tr> <Th> Incorporated </Th> <Td> October 25 , 1701 </Td> </Tr> <Tr> <Th> Founded by </Th> <Td> William Penn </Td> </Tr> <Tr> <Th colspan="2"> Government </Th> </Tr> <Tr> <Th> Type </Th> <Td> Mayor -- Council </Td> </Tr> <Tr> <Th> Body </Th> <Td> Philadelphia City Council </Td> </Tr> <Tr> <Th> Mayor </Th> <Td> Jim Kenney ( D ) </Td> </Tr> <Tr> <Th colspan="2"> Area </Th> </Tr> <Tr> <Th> Consolidated city - county </Th> <Td> 142.71 sq mi ( 369.62 km ) </Td> </Tr> <Tr> <Th> Land </Th> <Td> 134.18 sq mi ( 347.52 km ) </Td> </Tr> <Tr> <Th> Water </Th> <Td> 8.53 sq mi ( 22.09 km ) </Td> </Tr> <Tr> <Th> Elevation </Th> <Td> 39 ft ( 12 m ) </Td> </Tr> <Tr> <Th colspan="2"> Population ( 2016 ) </Th> </Tr> <Tr> <Th> Consolidated city - county </Th> <Td> 1,567,872 </Td> </Tr> <Tr> <Th> Estimate ( 2016 ) </Th> <Td> 1,567,872 </Td> </Tr> <Tr> <Th> Rank </Th> <Td> US : 6th </Td> </Tr> <Tr> <Th> Density </Th> <Td> 11,685.02 / sq mi ( 4,511.61 / km ) </Td> </Tr> <Tr> <Th> Metro </Th> <Td> 6,069,875 ( US : 7th ) </Td> </Tr> <Tr> <Th> CSA </Th> <Td> 7,183,479 ( US : 8th ) </Td> </Tr> <Tr> <Th> Demonym </Th> <Td> Philadelphian </Td> </Tr> <Tr> <Th> Time zone </Th> <Td> EST ( UTC - 5 ) </Td> </Tr> <Tr> <Th> Summer ( DST ) </Th> <Td> EDT ( UTC - 4 ) </Td> </Tr> <Tr> <Th> ZIP code </Th> <Td> 19092 - 19093 , 19099 , 191xx </Td> </Tr> <Tr> <Th> Area code ( s ) </Th> <Td> 215 , 267 , 445 </Td> </Tr> <Tr> <Th> FIPS code </Th> <Td> 42 - 60000 </Td> </Tr> <Tr> <Th> GNIS feature ID </Th> <Td> 1215531 </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.phila.gov </Td> </Tr> </Table>
philadelphia is known as the city of what
City of Brotherly Love