Philadelphia, or Philly, is Pennsylvania's most populous city and the sixth-most populous in the United States, with over 1.6 million residents in 2020. It is the central city of the Delaware Valley, also known as the Philadelphia metropolitan area. This metropolitan area is the eighth-largest in the U.S., with around 6.245 million residents. The combined statistical area has approximately 7.366 million residents.
From 1901 to 1954, the Oakland Athletics baseball team, originally the Philadelphia Athletics, played in Philadelphia.
In 1902, the Brush Electric Light Company of Philadelphia was renamed Philadelphia Electric Company (PECO).
In 1905, the subway section of the Market-Frankford Line running east-west under Market Street opened to the west of City Hall.
In 1908, the subway section of the Market-Frankford Line running east-west under Market Street opened to the east of City Hall.
In 1909, the Fairmount Water Works was decommissioned as the city transitioned to modern sand filtration methods.
In 1910, a general strike shut down the entire city of Philadelphia.
In 1911, Philadelphia had nearly 4,000 electric trolleys running on 86 lines.
In August 1912, the first experimental radio license was issued in Philadelphia to St. Joseph's College.
In 1917, the City Council of Philadelphia shrunk from two houses to one following outrage over the murder of a police officer.
The highest recorded temperature was 106 °F (41 °C) on August 7, 1918.
In July 1919, Philadelphia was one of more than 36 industrial cities nationally to experience a race riot during the Red Summer.
In 1922, the average annual rate of rainfall was 29.31 in (744 mm)
In 1922, the first commercial AM radio stations began broadcasting in Philadelphia, including WIP, WFIL, WOO, WCAU, and WDAS.
In 1925, the Philadelphia Daily News was first published.
In 1928, the Broad Street Line running north-south beneath Broad Street opened in stages.
By 1930, the African-American population of Philadelphia increased to 219,559, primarily due to the Great Migration from the South.
In 1932, Philadelphia became home to the first modern International Style skyscraper in the United States, the PSFS Building.
In 1932, Philadelphia was one of the few areas not carried by Franklin D. Roosevelt in his landslide victory, with Pennsylvania being one of only six states won by Republican Herbert Hoover.
The lowest officially recorded temperature was −11 °F (−24 °C) on February 9, 1934.
In 1936, Roosevelt carried Philadelphia with over 60% of the vote.
In 1937, the Philadelphia Housing Authority (PHA) was established.
In 1938, the Broad Street Line running north-south beneath Broad Street completed its opening in stages.
In 1938, the celebration of the Declaration of Independence was formalized as Independence Day.
In 1939, W3XE became the nation's first NBC affiliate, later becoming KYW-TV, the Philadelphia television market's CBS affiliate.
In 1940, non-Hispanic whites made up 86.8% of the city's population.
From 1946 to 1962, the Golden State Warriors basketball team played in Philadelphia.
In 1947, Southeastern Pennsylvania was assigned the 215 area code when the North American Numbering Plan went into effect.
In 1950 Philadelphia population began to decline.
In 1950, Philadelphia recorded a record high population of 2,071,605.
In 1950, Philadelphia's population peaked at over two million residents.
In January 1952, the newly elected officials took office under the new Home Rule Charter in Philadelphia.
For over seven decades, since 1952, every Philadelphia mayor has been a Democrat.
In 1952, Bandstand, a teen dance party program, premiered on local television, hosted by Bob Horn.
In 1952, WFIL (later WPVI) premiered the television show Bandstand, which later became the nationally broadcast American Bandstand hosted by Dick Clark.
In 1952, all county functions were assumed by the city in Philadelphia.
From 1901 to 1954, the Oakland Athletics baseball team, originally the Philadelphia Athletics, played in Philadelphia.
In 1954, La Salle won the championship of the NCAA Division I men's basketball tournament.
In 1955, the Philadelphia Historical Commission was created.
In 1957, Bandstand was renamed American Bandstand and began national syndication on ABC, hosted by Dick Clark.
In 1959, lobbying by the Artists Equity Association helped create the Percent for Art ordinance, the first for a U.S. city.
From 1946 to 1962, the Golden State Warriors basketball team played in Philadelphia.
In 1964, American Bandstand moved to Los Angeles after being produced in Philadelphia.
In 1964, Arlen Specter was assistant counsel on the Warren Commission.
From 1966 to 1974, Arlen Specter was the city's district attorney.
In 1966, Geno's Steaks was founded and became a rival to Pat's King of Steaks at the intersection of 9th Street and Passyunk Avenue.
In 1972, Fairmount Park and Wissahickon Valley Park were listed on the National Register of Historic Places.
In 1972-73, trace amounts of snowfall recorded in the city.
In 1973, Philadelphia won a title in soccer in the now-defunct North American Soccer League.
From 1966 to 1974, Arlen Specter was the city's district attorney.
In 1975, City Tavern was rebuilt on the same site as the original 18th-century building, which had been demolished in 1854. The rebuilt tavern is part of Independence National Historical Park.
In June 1976, Sister Cities Park was dedicated at 18th and Benjamin Franklin Parkway to commemorate Philadelphia's first two sister city relationships with Tel Aviv and Florence.
In 1976, the film Rocky was released, making the long flight of steps to the Philadelphia Art Museum's main entrance famous.
Philadelphia's 1980 zoning code was in place.
From 1981, Arlen Specter served as a Republican Senator.
In 1984, the Chinatown Gate was erected as a symbol of the sister city relationship with Tianjin.
In 1984, the Department of Recreation's Mural Arts Program was created, which seeks to beautify neighborhoods and provide an outlet for graffiti artists.
On July 13, 1985, John F. Kennedy Stadium was the American venue for the Live Aid concert.
In 1985, Villanova won the NCAA Division I men's basketball tournament.
In 1985, the MOVE Bombing of the Cobbs Creek neighborhood by city helicopters resulted in 11 deaths and the destruction of 61 homes.
In 1987, One Liberty Place was completed.
In 1987, Philadelphia Gas Works (PGW) came under city ownership.
In 1987, a decision permitted One Liberty Place to become the first building in city history to surpass the height of William Penn statue, a statue installed in 1894 atop City Hall, contributing to the superstition known as "The Curse of Billy Penn".
Between 1990 and 2017, Philadelphia's foreign-born population doubled.
In 1990, Philadelphia had 500 (or 503 by some sources) murders, a rate of 31.5 per 100,000 people.
Philadelphia had 500, 503 according to some sources, murders in 1990, a rate of 31.5 per 100,000.
In 1991, Ronald D. Castille, the last Republican to hold the office, left his position as District Attorney.
The most recent temperature at or below 0 °F (−18 °C) occurred on January 19, 1994.
In 1994, the geographic area covered by area code 215 was split nearly in half when area code 610 was created.
The city's heaviest single-storm snowfall was 30.7 in (78 cm), which occurred in January 1996.
In 1997, overlay area code 267 was added to the 215 service area.
In 1999, Sam Katz ran competitive mayoral races as the Republican nominee, losing to Democrat John Street.
In 1999, area code 484 was added to the 610 area.
Between 2000 and 2016, Philadelphia's foreign-born population increased by 69%.
In 2000, Philadelphia hosted the Republican National Convention.
Philadelphia lost about 25 percent of its residents between 1950 and 2000.
Since 2000, Philadelphia saw fewer days of high particle pollution, dropping from about 19 days per year to about 3, and an approximate 30% reduction in annual levels of particle pollution.
In 2001, a plan to introduce a third overlay code, area code 445 to 215 and area code 835 to 610, was delayed and later rescinded.
In 2001, the Philadelphia metropolitan area's Jewish population was estimated at 206,000, the sixth-largest in the U.S. at that time.
Since 2001, Philadelphia experienced a significant reduction in high ozone days, decreasing from nearly 50 days per year to fewer than 10.
The murder count dropped in 2002 to 288.
In 2003, Sam Katz ran competitive mayoral races as the Republican nominee, losing to Democrat John Street.
In 2004, ESPN ranked Philadelphia second on its list of "The Fifteen Most Tortured Sports Cities" due to the city's championship drought.
On July 2, 2005, Philadelphia hosted the Live 8 concert on the Benjamin Franklin Parkway, attracting approximately 700,000 people.
In 2005, Philadelphia had a district graduation rate of 52%.
In 2005, SEPTA reintroduced trolley service to the Girard Avenue Line, Route 15.
In 2006 the Murder Count Rose to 406.
In 2006, Philadelphia's homicide rate of 27.7 per 100,000 people was the highest of the country's 10 most populous cities.
In 2006, Philadelphia's population dropped to a low of 1,488,710 residents before beginning to rise again.
In 2006, shooting incidents in the city peaked at 1,857, with major crimes reported as 85,498.
In 2007, The murder count dropped slightly to 392.
In 2007, historian Joseph Ellis described the Declaration of Independence as "the most potent and consequential words in American history".
In 2007, the Comcast Center became the city's tallest building.
Philadelphia began experiencing population growth in 2007, which has continued with incremental annual increases.
The zoning code overhaul started from 2007 to 2012.
After a 25-year drought, The Phillies won the 2008 World Series.
From 2008 to 2014, Ronald D. Castille served as the Chief Justice of the Pennsylvania Supreme Court.
In 2008, the Phillies won the World Series, defeating the Tampa Bay Rays, ending a 25-year championship drought for Philadelphia sports teams.
From 2009, Arlen Specter served as a Democratic Senator.
In 2009, the Daily News began being published as an edition of The Philadelphia Inquirer.
In the winter of 2009-10, 78.7 inches (200 cm) of snowfall were recorded.
The record high minimum temperature is 83 °F (28 °C) on July 24, 2010.
As of 2010, 79.12% of Philadelphia residents age 5 and older spoke English at home as a primary language, while 9.72% spoke Spanish.
As of 2010, Philadelphia has three congressional districts due to population changes.
In 2010, Arlen Specter lost the Democratic party's primary.
In 2010, K-12 enrollment in Philadelphia district-run schools was 156,211 students, while charter school enrollment was 33,995 students.
In 2010, Philadelphia Media Holdings, then owner of The Philadelphia Inquirer and Philadelphia Daily News, declared bankruptcy.
In January 2011, Arlen Specter left office.
The record high minimum temperature is 83 °F (28 °C) on July 23, 2011.
In 2011, GQ magazine named Eagles and Phillies fans the nation's worst professional sports fans, describing them as the "Meanest Fans in America".
In 2011, Philadelphia's district-run schools reached their peak scores on the Pennsylvania System of School Assessment (PSSA) with 59.0% on math and 52.3% on reading.
In 2011, the average annual rate of rainfall was 64.33 in (1,634 mm)
In 2012, Barack Obama had an even greater win, capturing 85% of the vote in Philadelphia.
In 2012, Philadelphia had the fourth-highest homicide rate among the country's most populous cities.
In 2012, Sister Cities Park was redesigned and reopened with new features.
In 2012, after two years of financial issues, The Philadelphia Inquirer and Philadelphia Daily News were sold to Interstate General Media.
In 2012, the American Ultimate Disc League (AUDL) was founded, and the Philadelphia Spinners were one of the original eight teams.
The zoning code overhaul started from 2007 to 2012.
On July 28, 2013, 8.02 inches of rain fell at Philadelphia International Airport, the most rain recorded in one day.
Data from 2013 to 2015 was analyzed in the American Lung Association's 2017 State of the Air report regarding Philadelphia County's air quality.
From 2013 to 2018, marijuana arrests in the city dropped by more than 85%.
In 2013, Philadelphia had 246 murders, a decrease of nearly 40% since 2006.
In 2013, the city of Philadelphia closed 24 of its public schools.
In 2013, the combined daily circulation of The Philadelphia Inquirer and Philadelphia Daily News was 306,831, with a Sunday circulation of 477,313, ranking 18th in the country. Their website, Philly.com, was ranked 13th in popularity among U.S. online newspapers.
As of 2014, The Philadelphia School District had 142,266 students in 218 traditional public schools and 86 charter schools.
As of 2014, the city's total park space amounted to 11,211 acres.
By 2014, shooting incidents had declined nearly 44 percent to 1,047 shootings, and major crimes fell to 68,815 occurrences.
By 2014, the district graduation rate in Philadelphia had increased to 65%.
During the 2014 school year, Philadelphia spent an average of $12,570 per pupil.
Each of those seven districts recorded more than a thousand violent crimes in 2014.
From 2008 to 2014, Ronald D. Castille served as the Chief Justice of the Pennsylvania Supreme Court.
In 2014, Philadelphia enacted an ordinance decriminalizing the possession of small amounts of marijuana, giving police officers the discretion to treat it as a civil infraction.
In 2014, Philadelphia recorded 248 homicides, with a homicide rate of 16 per 100,000 residents, ranking it sixth-highest in the country.
In 2014, only four of Philadelphia's public high schools, including charter schools, performed above the national average on the SAT (1497 out of 2400).
In 2014, the Philadelphia City Council refused to conduct hearings on a $1.86 billion sale of PGW, leading to the prospective buyer terminating its offer.
In a 2014 study, 68% of Philadelphia's population identified as Christian, with approximately 41% of Christians professing attendance at Protestant churches and 26% professing Catholic beliefs.
As of 2015, Center City had an estimated 183,240 residents.
Data from 2013 to 2015 was analyzed in the American Lung Association's 2017 State of the Air report regarding Philadelphia County's air quality.
In 2015, K-12 enrollment in Philadelphia district-run schools dropped to 130,104 students, while charter school enrollment increased to 62,358 students.
In 2015, hospitals, universities, and higher education research institutions in Philadelphia's four congressional districts received more than $252 million in National Institutes of Health grants.
In 2015, over 35,000 Chinese Americans lived in Philadelphia, including a Fuzhounese population.
In 2015, the homicide rate rose to 280.
In a 2015 report by Pew Charitable Trusts, the police districts with the highest rates of violent crime were Frankford (15th district) and Kensington (24th district) in the Near Northeast, and districts to the North (22nd, 25th, and 35th districts), West (19th district) and Southwest (12th district) of Center City.
In December 2016, the Major League Ultimate (MLU) was suspended indefinitely by its investors.
By 2016, the city's foreign-born population constituted nearly 20% of Philadelphia's workforce.
In 2016, Philadelphia attracted 42 million domestic tourists who spent $6.8 billion, which resulted in an $11 billion economic impact to the city and its surrounding Pennsylvania counties.
In 2016, Philadelphia hosted the Democratic National Convention.
In 2016, Villanova won the NCAA Division I men's basketball tournament.
In 2016, the Independence National Historical Park received over 5 million visitors, and the city welcomed 42 million domestic tourists who spent $6.8 billion.
In 2016, the homicide rate fell slightly to 277.
Jim Kenney served two terms as mayor from 2016 to January 2024.
As of December 2017, the ten highest-rated stations in Philadelphia were adult contemporary WBEB-FM (101.1), sports talk WIP-FM (94.1), classic rock WMGK-FM (102.9), urban adult contemporary WDAS-FM (105.3), classic hits WOGL-FM (98.1), album-oriented rock WMMR-FM (93.3), country music WXTU-FM (92.5), all-news KYW-AM (1060), talk radio WHYY-FM (90.9), and urban adult contemporary WRNB-FM (100.3).
By 2017, the city's foreign-born population constituted 13.8% of Philadelphia's total population.
In 2017, Philadelphia County received an ozone grade of F and a 24-hour particle pollution rating of D in the American Lung Association's report.
In 2017, Philadelphia's 30th Street Station had 4.4 million passengers, making it the third-busiest station in the country.
In 2017, The Port of Philadelphia experienced the highest percentage growth by tonnage loaded among major U.S. seaports.
In 2017, the Bureau of Economic Analysis calculated the Philadelphia metropolitan area's gross metropolitan product (GMP) to be $445 billion.
In 2017, the Eagles won their first Super Bowl, defeating the New England Patriots in Super Bowl LII.
In 2017, the U.S. Census Bureau estimated the racial composition of Philadelphia to be 41.3% Black (non-Hispanic), 34.9% White (non-Hispanic), 14.1% Hispanic or Latino, 7.1% Asian, 0.4% Native American, 0.05% Pacific Islander, and 2.8% multiracial.
In 2017, the homicide rate rose again to 317.
Area code 445 was implemented as an overlay for area codes 215 and 267 starting on February 3, 2018.
As of 2018, Larry Krasner, a Democrat, is the city's District Attorney.
As of 2018, Philadelphia's 30th Street Station is Amtrak's third-busiest station in the country.
As of 2018, the FCC lists 28 FM and 11 AM stations for Philadelphia.
As of 2018, the Philadelphia Phoenix continue to play in the AUDL.
From 2013 to 2018, marijuana arrests in the city dropped by more than 85%.
In 2018, Villanova won the NCAA Division I men's basketball tournament.
In 2018, the Comcast Technology Center was completed.
Since 2018, the Port of Philadelphia has doubled its shipping capacity to accommodate super-sized post-Panamax shipping vessels.
In May 2019, former U.S. Vice President Joe Biden chose Philadelphia to be his 2020 U.S. presidential campaign headquarters.
In May 2019, the Walnut Street Theatre announced a major expansion to begin in 2020.
The most recent temperature at or above 100 °F (38 °C) occurred on July 21, 2019.
As of 2019, the U.S. Census Bureau estimated that the population of Philadelphia was 1.2% less than the population recorded in the 2020 U.S. Census.
As of the 2020 U.S. Census, Philadelphia had 1,603,797 residents. The city's racial composition was 39.3% Black alone, 36.3% White alone, 8.7% Asian alone, 0.4% American Indian and Alaska Native alone, 8.7% some other race, and 6.9% multiracial, and 14.9% of residents were Hispanic or Latino.
Homicides increased dramatically in the late 2010s/early 2020s, reaching 499 homicides in 2020.
In May 2019, former U.S. Vice President Joe Biden chose Philadelphia to be his 2020 U.S. presidential campaign headquarters.
In May 2019, the Walnut Street Theatre announced a major expansion to begin in 2020.
In the 2020 census, the population of Philadelphia was 1,603,797.
As of 2021, the Philadelphia metropolitan area's gross metropolitan product (GMP) was estimated at US$479 billion.
Homicides increased dramatically in the late 2010s/early 2020s, surpassing the 1990 "record" in 2021, with 501st murder on November 27 and 510 by the end of the month. Phillie ended the year with 562 murders, an all-time record.
In 2022 the homicides dropped to 514.
In 2022, South American migrants were being transported by bus from Texas to Philadelphia.
In November 2023, Cherelle Parker won the election to become the mayor of Philadelphia.
As of 2023, Philadelphia International Airport is the 21st-busiest airport in the nation with over 13.6 million passengers.
As of 2023, the Philadelphia media market is the fifth-largest in North America with over 7.8 million viewers.
As of 2023, the Philadelphia metropolitan area had a gross metropolitan product of US$557.6 billion.
In 2023, the homicide rate decreased to 410.
In January 2024, Jim Kenney's two terms as mayor of Philadelphia came to an end.
Open Wards Philadelphia Archived April 2, 2024, at the Wayback Machine.
Since September 2024, Philadelphia is the nation's largest television market where at least one of the six English networks are shown at a station not owned by a particular network's associated parent company.
As of 2024, the Delaware Valley ranks as one of the Big Five U.S. venture capital hubs.
Following the 2024 season, the Eagles won their second Super Bowl, defeating the Kansas City Chiefs in Super Bowl LIX.
Philadelphia will be one of the eleven US host cities for the 2026 FIFA World Cup.
The city forecasts an additional 100,000 residents and 40,000 jobs will be added by 2035.