1790-1820 the population went from 430,000 to 1,000,000.
1850-1880 the population went from 1,000,000 to 4,300,000.
1880-1910 the population went from 4,300,000 to 7,700,000.
1910-1940 the population went from 7,700,000 to 9,900,000.
1940-1970 the population went from 9,900,000 to 11,800,000.
1970-present the population went from 11,800,000 to 12,700,000 as it stands today.
In 2008, the estimated population of Pennsylvania was 12,432,792. In 2013, the census bureau estimated the population of Pennsylvania was 12,773,801.
The population of Lancaster County, Pennsylvania is 470,658.
The population of Berks County, Pennsylvania is 373,638.
The US state of Pennsylvania has a population of 12,702,379 (2010 estimates).The population of Pennsylvania is 14,604,156
Pennsylvania is a state in the United States, not a country. The largest city in Pennsylvania by population is Philadelphia.
The population of Pennsylvania in 1775 was approximately 300,000. It was the second highest in population after Virginia in 1775.
Pennsylvania State University Libraries's population is 576.
Pennsylvania Virtual Charter School's population is 210.
In 2011, the population was about 12,742,886!
4.06% of the total US population lives in Pennsylvania.
According to census.gov, 15.2% of the total population of Pennsylvania is age 65 and older.
As of the 2020 Census, Allegheny County, Pennsylvania, had a population of approximately 1.24 million residents. It is the second-most populous county in Pennsylvania, following Philadelphia County. The population may have changed slightly since then, so for the most accurate and current figures, checking the latest estimates from sources like the U.S. Census Bureau is recommended.