Pennsylvania cities lag in growth, population . The 5 Largest Cities in Pennsylvania. Here are the 10 biggest cities in Pennsylvania. Pennsylvania's cities include some of the oldest and most important in American history. Drawing in more businesses and entrepreneurs will be key to reversing decline. Populations of Pennsylvania Cities Ranked by Population Size (Source: U.S. Census Bureau, Census 2010) Rank City Population (2015 Census) County Motto Image Description 1 Philadelphia: 1.581 million Philadelphia "Philadelphia maneto" ("Let brotherly love endure") The largest city in the Commonwealth of Pennsylvania, Philadelphia was founded on October 27, 1682, by William Penn. The Lancaster metropolitan area population is 507,766, making it the 101st largest metropolitan area in the U.S. and second largest in the South Central Pennsylvania area. 47,196 (2010 est.) A center of culture and commerce, the average household income is $57,438, and the median age is 35. Oregon covers 95,997 square miles of land, making it the 9th largest in the United States, though its population is … Pennsylvania has 67 counties that include numerous municipalities in the form of townships, cities, or boroughs. With a population of 59,322, it ranks eighth in population among Pennsylvania's cities. List of Counties and cities in Pennsylvania by population and name , List of Counties and cities in Pennsylvania by population and name in 2020 , List of Counties and cities in Pennsylvania by population and name in 2019 A center of culture and commerce, the average household income is $57,438, and the median age is 35. According to the most recent American Community Survey, the Black population in Pennsylvania is 1,360,576 – at 10.6% of the total population of Pennsylvania. Philadelphia. Name Population Latitude/Longitude; 1: Philadelphia : 1,567,442: 39.952 / -75.164: 2 The state is approximately rectangular in shape and stretches about 300 miles (480 km) from east to west and 150 miles (240 km) from north to south. Population Density in Pennsylvania by Zip Code. Philadelphia is the largest city in Pennsylvania, with a population of 1,571,860. A map of Pennsylvania cities that includes interstates, US Highways and State Routes - by Geology.com Oregon. QuickFacts Pennsylvania. Pennsylvania - 10 Largest Cities. Philadelphia is the largest city in the Commonwealth of Pennsylvania and the sixth-most populous city in the United States, with an estimated population of 1,567,872 and more than 6million in the seventh-largest metropolitan statistical area, as of 2016. Philadelphia is the largest city in Pennsylvania, with a population of 1,571,860. Map of Radon Zones in Pennsylvania based on Environmental Protection Agency (EPA) data More Pennsylvania directories: Cities, towns, and villages in Pennsylvania between 1000 and 6000 residents ; Towns, and villages in Pennsylvania with fewer than 1000 residents; More data: Zip Codes, Counties, Businesses, Houses, Weather Forecasts QuickFacts provides statistics for all states and counties, and for cities and towns with a population of 5,000 or more. Cities with the Highest Population Density in Pennsylvania: Pennsylvania Report: Population Density Related Reports. PA also ranks as 11th for homes with more than 4 bedrooms. Philadelphia. There are 57 cities in Pennsylvania. Pennsylvania real estate rankings: Pennsylvania with a total population of 12,758,729 ranks 33rd in US homes for sale average price, 16th in homes over $1,000.000. Philadelphia: With a population of 1.5 million, the "City of Brotherly Love" is the state's largest city and the fifth largest in America. Capital City: Harrisburg (pop.) The 5 Largest Cities in Pennsylvania. With a population of around 12,807,060 people, it is the country's 5th most populated state. Pennsylvania Population: 12,763,536 (2012 est.) There are now 42 million people who identify as Black or African American living in America, making up 12% of the total population. Philadelphia is the most populous county of the state while Cameron with a population of only 5,085 people is the smallest county. 1. Population Density in the United States by Zip Code. Pennsylvania Facts. In these two cities, the population density exceeds 5,000 people per square mile, though the rest of the state remains mostly under 55 people per square mile. Population Density in the United States by City. Pennsylvania cities may theoretically be first-class, second-class, second-class A, or third-class (of which there are 54), according to population and adoption of certain ordinances. QuickFacts provides statistics for all states and counties, and for cities and towns with a population of 5,000 or more.