Pittsburgh, Pennsylvania

Pittsburgh is the county seat of Allegheny County and the second-most populous city in Pennsylvania. Located in southwestern Pennsylvania where the Allegheny and Monongahela Rivers meet to form the Ohio River, it had a population of 302,971 at the 2020 census. The Pittsburgh metropolitan area has over 2.43 million people, making it the largest in the Ohio Valley and Appalachia, the second-largest in Pennsylvania, and the 28th-largest in the U.S. Pittsburgh is known as “the Steel City” for its dominant role in the history of the U.S. steel industry.

Founding and History

The confluence of the Allegheny and Monongahela Rivers made the Point — as the junction is known — one of the most strategically valuable locations in North America. The mineral-rich Allegheny Mountains led to the region being contested by the French and British empires, Virginians, Whiskey Rebels, and Civil War raiders. The French constructed Fort Duquesne at the Point in 1754, which the British captured and renamed Fort Pitt in 1758 during the Seven Years’ War. The settlement that grew around the fort was incorporated as the borough of Pittsburgh in 1794 and as a city in 1816.

The city’s industrial destiny was sealed in the 19th century. In the early 20th century the economy of Pittsburgh was primarily driven by the steel industry. Pittsburgh’s wealthiest industrialists during the 19th century all lived in a single neighborhood known as East Liberty. The major list of industrialists includes H. J. Heinz, George Westinghouse, Andrew Carnegie, Thomas Mellon, Andrew Mellon, Henry Clay Frick, and Philander Knox. Carnegie began steel production in 1875 and by 1901 his reorganized enterprise became U.S. Steel, the world’s first billion-dollar corporation. KDKA 1020 AM, the world’s first commercially licensed radio station, began airing on November 2, 1920, in Pittsburgh.

Through the mid-20th century Pittsburgh was one of the nation’s great industrial powerhouses, but the collapse of the American steel industry in the 1970s and 1980s devastated the local economy and triggered a prolonged era of population loss and deindustrialization. The region subsequently underwent one of the most celebrated urban economic transitions in American history, pivoting from steel to healthcare, higher education, finance, and technology. Pittsburgh was chosen to host the 2009 G-20 Summit in recognition of this transformation.

Geography

According to the U.S. Census Bureau, the city has a total area of 82.47 square miles, of which 77.70 square miles is land and 4.77 square miles is water. Pittsburgh’s topography is defined by its three rivers and the steep hills and ridges of the Allegheny Plateau that surround the river valleys. The city is famously said to have more bridges than any other city in the world — over 440 within city limits — a product of its deeply dissected terrain. The downtown “Golden Triangle” sits at the Point where the Allegheny and Monongahela converge to form the Ohio River, which flows westward into the broader Mississippi basin. The greater Pittsburgh–Weirton–Steubenville combined statistical area includes parts of Ohio and West Virginia.

Demographics

By the 2020 census, the population was 302,971. Its racial and ethnic makeup in 2020 was 64.7% non-Hispanic white, 23.0% Black or African American, 5.8% Asian, and 3.2% Hispanic or Latino American of any race. Since the beginning of the 21st century, the five largest European ethnic groups in Pittsburgh were German (19.7%), Irish (15.8%), Italian (11.8%), Polish (8.4%), and English (4.6%).

20.1% of the population for whom poverty status is determined in Pittsburgh live below the poverty line, a number that is higher than the national average of 12.5%. The city’s large university population — drawn by the University of Pittsburgh, Carnegie Mellon, Duquesne, and other institutions in Oakland — significantly shapes demographics in certain neighborhoods, particularly in the East End.

Government

Pittsburgh operates under a strong mayor–city council form of government. The city council consists of nine members elected from nine districts. Corey O’Connor has served as the mayor of Pittsburgh since January 5, 2026. O’Connor, the county controller and former city councilor, is the son of Pittsburgh’s 58th mayor and will be the city’s 62nd chief executive. O’Connor is the first alum of Duquesne University to become Pittsburgh mayor. Pittsburgh has not elected a Republican mayor since 1929.

O’Connor’s predecessor, Edward C. Gainey, served as the 61st mayor of Pittsburgh from 2022 to 2026. In November 2021, Gainey became the first African-American to become the mayor of Pittsburgh. O’Connor defeated Gainey in the May 2025 Democratic primary and easily won the November 2025 general election. At his inauguration at Carnegie Music Hall in Oakland, O’Connor acknowledged a city budget facing lean years and promised to be “honest and transparent” while also improving public safety. Pittsburgh will host the 2026 NFL Draft, a major planned economic event for the new administration.

Economy

Pittsburgh’s post-industrial economy is anchored by healthcare, higher education, technology, and financial services, with a significant remaining manufacturing base. The University of Pittsburgh Medical Center (UPMC) employs more than 92,000 people, making it the largest non-governmental employer in Western Pennsylvania. PNC Bank, Highmark Health and Giant Eagle, Inc. each employ more than 35,000 people.

Ten Fortune 500 companies call the Pittsburgh area home: Alcoa Corporation, Arconic Corporation, Dick’s Sporting Goods, The Kraft Heinz Company, PNC Financial Services, PPG Industries, U.S. Steel Corporation, Viatris, Wabtec Corporation, and WESCO International. The region is also home to Aurora, Allegheny Technologies, American Eagle Outfitters, Duolingo, EQT Corporation, CONSOL Energy, Howmet Aerospace, and Kennametal headquarters. Carnegie Mellon University’s robotics, computer science, and artificial intelligence programs have made Pittsburgh an increasingly prominent technology hub, attracting major investment from Google, Amazon, Uber, and Apple, among others.

A defining tension in Pittsburgh’s fiscal situation is the heavy concentration of tax-exempt institutional anchors. The city’s tax loss from exemptions on property owned by the “big five” nonprofits — UPMC, Highmark, the University of Pittsburgh, Carnegie Mellon University, and Duquesne University — totaled $34.5 million in one recent year.

Education

Pittsburgh is served by the Pittsburgh Public Schools (Pittsburgh City School District), one of the largest districts in Pennsylvania. Higher education is a defining feature of the regional economy and culture. The University of Pittsburgh (Pitt), founded in 1787 as Pittsburgh Academy, is one of the oldest universities in the country and a major research institution. Carnegie Mellon University, founded by Andrew Carnegie in 1900, is a world leader in computer science, engineering, robotics, and the arts. Other institutions include Duquesne University, Robert Morris University, Carlow University, and Point Park University. The concentration of these institutions in the Oakland neighborhood has made it one of the densest educational and medical corridors in the United States.

Culture and Landmarks

Pittsburgh hosts attractions including Acrisure Stadium, PNC Park, the Andy Warhol Museum, and the National Aviary, among others. The Andy Warhol Museum on the North Shore is the largest museum in the United States dedicated to a single artist. The Carnegie Museums of Art and Natural History, in Oakland, rank among the finest in the nation. Point State Park, at the tip of the Golden Triangle, marks the historic confluence of the three rivers and the site of Fort Pitt; a fountain at the park’s apex has become an iconic Pittsburgh image.

The city is served by an extensive park system, with Schenley Park, Frick Park, and Highland Park among the most beloved. The Pittsburgh Zoo & Aquarium and Phipps Conservatory and Botanical Gardens are popular institutions. The Pittsburgh Cultural Trust has transformed the downtown Cultural District into a performing arts hub anchored by Heinz Hall, home of the Pittsburgh Symphony Orchestra.

Pittsburgh’s neighborhoods each carry distinct identities. Oakland is home to several universities and the Petersen Events Center. The Strip District to the west along the Allegheny River is an open-air marketplace by day and a clubbing destination by night. Bloomfield is Pittsburgh’s Little Italy. Lawrenceville is a revitalizing rowhouse neighborhood popular with artists and designers. The Hill District was home to various African-American jazz clubs. Mt. Washington offers famous views of the downtown skyline.

Pittsburgh has an exceptionally rich film history. Over 124 major motion pictures have been filmed in whole or in part in Pittsburgh, including The Silence of the Lambs, Flashdance, The Perks of Being a Wallflower, Fences, and The Dark Knight Rises, in which Pittsburgh became “Gotham City” in 2011.

Pittsburgh’s professional sports teams — the Pittsburgh Steelers (NFL), Pittsburgh Pirates (MLB), and Pittsburgh Penguins (NHL) — are beloved across the region and nationally. The Steelers are the most successful franchise in Super Bowl history with six championships.

Notable People

Andrew Carnegie (1835–1919) — Steel magnate and philanthropist who built the Carnegie Steel Company in Pittsburgh, then gave away most of his fortune to libraries, universities, and cultural institutions worldwide. Andrew Mellon (1855–1937) — Banker, financier, and U.S. Secretary of the Treasury, whose family’s wealth endowed the National Gallery of Art. Henry J. Heinz (1844–1919) — Founded the H.J. Heinz Company in Pittsburgh in 1869. George Westinghouse (1846–1914) — Inventor and industrialist who founded Westinghouse Electric in Pittsburgh. Andy Warhol (1928–1987) — Pop art pioneer born in Pittsburgh. August Wilson (1945–2005) — Pulitzer Prize-winning playwright whose Pittsburgh Cycle of ten plays documents the African-American experience across the 20th century. Fred Rogers (1928–2003) — Creator and host of Mister Rogers’ Neighborhood, produced in Pittsburgh at WQED. Jonas Salk (1914–1995) — Developed the polio vaccine while at the University of Pittsburgh. Dan Marino (b. 1961) — NFL Hall of Fame quarterback born in Pittsburgh. Joe Montana (b. 1956) — NFL Hall of Fame quarterback raised in nearby Monongahela. Jeff Goldblum (b. 1952) — Actor born in Pittsburgh. Gene Kelly (1912–1996) — Dancer and actor born in Pittsburgh.

At a Glance