Pennsylvania Celebrates 234th Anniversary of Statehood (1787): December 12, 2021

United States Census Bureau
Pennsylvania 234th Anniversary of Statehood (1787):
December 12, 2021
Image of Pennsylvania and the surrounding U.S. States
Pennsylvania joined the Union on December 12, 1787, as the 2nd state.
Nickname: The Keystone State
State Motto: “Virtue, Liberty, and Independence”
State Amphibian: Eastern hellbender
State Animal: White-tailed deer
State Bird: Ruffed grouse
State Dog: Great dane
State Fish: Brook trout
State Flower: Mountain laurel
State Insect: Firefly
State Tree: Eastern hemlock
State Beverage: Milk
The area of Pennsylvania was part of the original territory of the United States. It was chartered in 1681, although New York did not relinquish its claim to the area until the following year. The southern boundary was resolved with the survey of the Mason and Dixon Line in the 1760s. Connecticut had claims to Pennsylvania territory resolved by award of the Continental Congress in 1782. Pennsylvania assumed generally the same boundary as the present state with the acquisition of the Erie Triangle from New York in 1792. Pennsylvania is one of four states that are legally described as a commonwealth.
Census data for Pennsylvania are available beginning with the 1790 census. Any population that was enumerated in the Erie Triangle was included in Pennsylvania, although this area was not legally part of the state until 1792.
 

Did You Know?

Image of the flag of Pennsylvania

Pennsylvania has a land area of 44,729.9 square miles and a water area of 1,311.8 square miles. It is the 32nd largest state by area. Pennsylvania is bordered by Ohio, Delaware, New York, West Virginia, New Jersey, and Maryland.

The following facts are available thanks to the public’s invaluable participation in U.S. Census Bureau surveys. We appreciate the information shared by each respondent as we continuously count and measure America’s people, places, and economy.

32.3%

The percentage of people in Pennsylvania who have obtained at least a bachelor's degree 

$63,463

The median household income in Pennsylvania

60.0%

The percentage of the labor force in Pennsylvania who are employed
 
2020 Census: The Population of Pennsylvania
Pennsylvania 2020 population: 13,002,700; up 2.4% from 2010
The number of people living in Pennsylvania was 13,002,700 as of April 1, 2020, an increase of 2.4% since the 2010 Census. View Pennsylvania’s population change by decade.
 
Pennsylvania Population Hit 13 Million in 2020
A ruffed grouse, the state bird of Pennsylvania
America Counts has launched a state-by-state look at the demographic changes the new 2020 Census results reveal.
Our state profiles bring you key population characteristics of your state and your county all on one page.
See how they compare to the nation overall and to neighboring counties and states. Through interactive state and county maps for the 50 states, the District of Columbia and Puerto Rico, each page provides a snapshot of change from 2010 to 2020 on five topics.
Did you know? 
  • The numeric change in population for Pennsylvania from 2010-2020 was 300,321.
  • The percentage of population aged 18 and older in Pennsylvania was 79.6%, a total of 10,353,548 adults.
  • This was an increase of 4.5% from the 2010 Census population aged 18 and older in Pennsylvania.
You May Be Interested In
Basic demographic information about the state of Pennsylvania
About the Geographic Areas
Pennsylvania has 16 metropolitan statistical areas, 21 micropolitan statistical areas, 2 metropolitan divisions, and 8 combined statistical areas.

There are 67 counties in Pennsylvania. Philadelphia County and Philadelphia city are governmentally consolidated and function as a municipal government. All other counties are each governed by a board of county commissioners.
More Geographic Info
Foreign Trade
Take a look at the various imports to and exports from Pennsylvania. See where materials such as medicaments in measured doses, vaccines for human medicine, immunological products, medical and surgical instruments and appliances, rhodium (unwrought or in powder form), palladium (unwrought or in powder form), pastry and cakes, beauty or make-up preparations and preparations for care of the skin, and more rank on both lists.

Also, see lists of the countries that have sent the most imports by 2020 dollar value to Pennsylvania and the countries that have received the most exported goods from Pennsylvania as measured by 2020 dollar value.
View Top Imports
View Top Exports
View Pennsylvania Statistics in Our COVID-19 Data Hub
COVID-19 Demographic and Economic Resources
View the state COVID-19 impact planning report. Take a look at new survey data and estimates.
2017 Economic Census Fun Facts About Pennsylvania
Data released from the 2017 Economic Census: The 26,075 Other Services (NAICS 81) establishments in Pennsylvania reported revenue of $23.0 billion in 2017.
Looking For More Relevant Data and Information About Pennsylvania?
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About the Census Bureau
We serve as the nation’s leading provider of quality data about its people and economy. The Census Bureau is the federal government's largest statistical agency. We are a statistical organization focused on data. Policy-makers, businesses, and the public use our information to make far-reaching decisions.

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