Philadelphia: The Historic Heart of the City of Brotherly Love

Philadelphia, known affectionately as "Philly," is a city where deep historical roots meet a vibrant, modern urban landscape. Its name is derived from the Ancient Greek words phílos (beloved) and adelphós (brother), earning it the enduring nickname "The City of Brotherly Love." This sentiment is captured in the city's Latin motto, Philadelphia maneto, which translates to "Let brotherly love endure."

As the largest city in Pennsylvania and a major hub in North America, Philadelphia serves as a consolidated city-county. It is a place of immense significance, having served as a cradle for American democracy and a center for industrial and cultural growth over more than three centuries.

William Penn (holding paper) and King Charles II depicted in The Birth of Pennsylvania 1680, a portrait by Jean Leon Gerome Ferris

Key Facts

Old City Hall at 5th and Chestnut Street, Philadelphia's town hall from 1800 to 1854

Founded: 1682 by William Penn.
Population: Approximately 1,603,797 (2020 Census).
Economic Power: A consolidated city-county GDP of $134.989 billion (2024).
Global Standing: 6th largest city in the United States and 13th in North America.
Government: Mayor-council system, currently led by Mayor Cherelle Parker.

A Legacy of Freedom and Foundation

Flag of Philadelphia in front of the Philadelphia Museum of Art

The story of Philadelphia began in 1682 when William Penn founded the city as a haven for Quakers. Penn's commitment to peace was exemplified in his early relations with the native inhabitants, specifically the Lenape tribe.

William Penn's 1682 Treaty of Shackamaxon with the Lenape tribe depicted in Penn's Treaty with the Indians, a 1772 portrait by Benjamin West

Early city planning was meticulous, with the original 1683 map showing a city bounded by the Delaware River to the east and the Schuylkill River to the west.

A Portraiture of the City of Philadelphia, by Thomas Holme — A 1683 portrait of Philadelphia by Thomas Holme, believed to be the city's first map, bounded by the Delaware River to the east and the Schuylkill River to the west.

Philadelphia's role in the American Revolution is unparalleled. Independence Hall stands as the site where the Declaration of Independence was signed on July 4, 1776, and the U.S. Constitution was ratified on June 21, 1788. The city also served as the temporary national capital from 1790 to 1800, with the President's House on Market Street hosting George Washington and John Adams.

The Committee of Five presenting their draft of the Declaration of Independence in Independence Hall on June 28, 1776, depicted in an 1818 painting by John Trumbull; historian Joseph Ellis called the Declaration "the most potent and consequential words in American history."[52]

President's House on Market Street served as the presidential mansion for the nation's first two presidents, George Washington and John Adams, from 1790 to 1800 before the completion of the White House and the development of Washington, D.C. as the nation's new capital.

Independence Hall on Chestnut Street between 5th and 6th streets, where the Declaration of Independence was signed and the Constitution was ratified, on July 4, 1776, and June 21, 1788, respectively

Urban Evolution and Architecture

Musical Fund Hall at 808 Locust Street hosted the first nominating Republican National Convention in 1856

From its colonial beginnings, Philadelphia evolved into a center of innovation and grandeur. In 1876, the city hosted the Centennial Exposition, the first world fair held in the United States, marking the 100th anniversary of the nation's founding.

Opening day ceremonies at the Centennial Exposition at Memorial Hall in Fairmount Park in 1876, the first world fair held in the U.S. on the centennial anniversary of the nation's founding

The city's architecture is a blend of historic styles and modern ambition. Philadelphia City Hall, a masterpiece of Second Empire style built between 1871 and 1901, remains a central landmark. In contrast, the skyline is now defined by the Comcast Technology Center, the tallest building in the city.

Chestnut Street in Center City at night in February 2016

Philadelphia City Hall at night in December 2012

Two of Center City Philadelphia's most prominent high-rise buildings, One Liberty Place, built between 1985 and 1987 (in background), and Philadelphia City Hall, built between 1871 and 1901 (in foreground)

Comcast Technology Center in Center City is the tallest building in Philadelphia.

Parks and Public Spaces

Nature is integrated into the urban fabric through Fairmount Park, one of the world's largest public parks, and the scenic Boathouse Row on the Schuylkill River, which symbolizes the city's long history of competitive rowing.

Philadelphia's Fairmount Park on the Schuylkill River, the city's largest and one of the world's largest public parks

Historic Boathouse Row at night on the Schuylkill River, a symbol of the city's rich history in competitive rowing

Culture, Diversity, and Economy

Cherelle Parker, (D), the 100th and current Mayor of Philadelphia

Philadelphia is a melting pot of ethnic origins and cultural influences. From the historic Italian Market in South Philadelphia to the vibrant Chinatown—symbolized by the paifang (traditional gateway) at 10th and Arch streets—the city celebrates a wide array of heritages.

Philadelphia's famed Italian Market in South Philadelphia

A Chinatown paifang at 10th and Arch streets, a symbol of Philadelphia's sister city relationship with Tianjin

The city is also a beacon of inclusivity, with areas like the "Gayborhood" and landmarks such as Barbara Gittings Way reflecting its commitment to LGBTQ+ rights.

Barbara Gittings Way, displaying Gayborhood street sign

Economic Drivers and Education

The economy is bolstered by major corporations, most notably Comcast, which ranks highly on the Fortune 500. The city's financial history is deep, having hosted the nation's first stock exchange.

The Philadelphia Stock Exchange building, the nation's first stock exchange, at 1411 Walnut Street

Education is a cornerstone of the community, featuring the University of Pennsylvania and the William Penn Charter School, the oldest Quaker school in the nation. The city is also home to the world-renowned Curtis Institute of Music.

The Curtis Institute of Music at 1726 Locust Street in Center City, one of the world's premier conservatories

William Penn Charter School, established in 1689, the nation's oldest Quaker school

Arts, Sports, and Lifestyle

The Philadelphia Police Department administration building, known as the Roundhouse, in Center City east of Chinatown

Philadelphia is a global destination for the arts, boasting the Philadelphia Museum of Art and the Kimmel Center for the Performing Arts. The city also honors its intellectual giants, such as Benjamin Franklin, with various monuments throughout Center City.

The Kimmel Center for the Performing Arts at 300 Broad Street, home of the Philadelphia Orchestra

Keys to Community, a bust of Benjamin Franklin by James Peniston at 325 Arch Street in Center City

Sports are a passion for Philadelphians. The city supports several major league teams, including the Phillies (MLB), Eagles (NFL), 76ers (NBA), and Flyers (NHL). The Eagles' victory in Super Bowl LII in 2018 remains a highlight of recent sporting history.

The Philadelphia Eagles are awarded the Vince Lombardi Trophy after winning Super Bowl LII, on February 4, 2018.

Xfinity Mobile Arena in South Philadelphia, home of the two-time Stanley Cup champion Philadelphia Flyers of the National Hockey League (NHL) and three-time champion Philadelphia 76ers of the National Basketball Association (NBA)

No visit to Philly is complete without experiencing its culinary staples, particularly the famous rivalry between Pat's Steaks and Geno's Steaks in South Philadelphia.

Pat's Steaks (foreground) and Geno's Steaks (background) in South Philadelphia

Infrastructure and Geography

A Philadelphia police cruiser on Benjamin Franklin Parkway

Philadelphia's geography is defined by its position between two rivers. The Benjamin Franklin Bridge spans the Delaware River, connecting the city to South Jersey.

The 9,650-foot (2,940 m) long Benjamin Franklin Bridge spans the Delaware River, connecting Philadelphia and South Jersey.

Transportation is managed through a complex network including SEPTA regional rail and the 30th Street Station, which is Amtrak's third-busiest station in the U.S. For air travel, Philadelphia International Airport serves as the busiest airport in Pennsylvania.

Philadelphia's 30th Street Station serves both SEPTA regional and Amtrak national trains and is Amtrak's third-busiest train station in the nation.

The Art Deco-style grand concourse at 30th Street Station, one of the nation's busiest passenger train stations, built between 1927 and 1933

A Market–Frankford Line train departing 52nd Street station

An aerial view of Philadelphia International Airport, the busiest airport in Pennsylvania and 21st-busiest in the nation with over 13.6 million passengers in 2023

Climate Overview

The city experiences a varied climate with distinct seasons. Summers are typically hot and humid, while winters can be cold with significant snowfall. Average precipitation is distributed throughout the year, totaling approximately 44.11 inches annually.

Philadelphia Average Climate Normals (1991–2020)
Month	Mean Max Temp (°F)	Mean Min Temp (°F)	Avg Precipitation (in)
January	41.3	26.0	3.13
April	64.7	44.3	3.47
July	87.8	69.6	4.38
October	67.2	49.2	3.47

Frequently Asked Questions

The Schuylkill Expressway (I-76) eastbound at I-676 and US 30, also known as the Vine Street Expressway, in Center City

Suburban Station with art deco architecture at 16th Street and JFK Boulevard

Fairmount Water Works, Philadelphia's second municipal waterworks, in December 1984

Who founded Philadelphia and when?

Philadelphia was founded in 1682 by William Penn.

What is the significance of Independence Hall?

Independence Hall is where the Declaration of Independence was signed on July 4, 1776, and the U.S. Constitution was ratified on June 21, 1788.

Which is the tallest building in Philadelphia?

The Comcast Technology Center in Center City is the tallest building in the city.

What are the major professional sports teams in Philadelphia?

The city is home to the Phillies (MLB), Eagles (NFL), 76ers (NBA), and Flyers (NHL).

How does the city's population rank in the United States?

Philadelphia is the 6th largest city in the United States and the 1st largest in Pennsylvania.