Total Population in Pennsylvania

ACS 2024 5-Year Estimates

Total Population
13M
Rank #5 of 52
92th %ile

How Pennsylvania Compares

Pennsylvania
13M
National
330M
96.1% below

State Ranking

Rank State Value
#2 Texas 30M
#3 Florida 22M
#4 New York 20M
#5 Pennsylvania 13M
#6 Illinois 13M
#7 Ohio 12M
#8 Georgia 11M
View full state ranking →

Highest Population Counties in Pennsylvania

# County Population
1 Philadelphia County 1,579,706
2 Allegheny County 1,238,177
3 Montgomery County 867,573
4 Bucks County 647,461
5 Delaware County 579,222
6 Lancaster County 557,931
7 Chester County 547,840
8 York County 462,924
9 Berks County 433,015
10 Lehigh County 378,792

Lowest Population Counties in Pennsylvania

# County Population
67 Cameron County 4,427
66 Sullivan County 5,888
65 Forest County 6,715
64 Fulton County 14,531
63 Potter County 16,188
62 Montour County 18,103
61 Juniata County 23,379
60 Wyoming County 25,967
59 Elk County 30,506
58 Greene County 34,835

Total Population in Pennsylvania

Pennsylvania has a total population of 13M, ranking #5 of 52 among all 52 states and territories. This is 96.1% below the national value of 330M.

Across Pennsylvania's 67 counties, total population ranges from 4,427 to 1,579,706. The county with the highest value is Philadelphia County at 1,579,706.

Total population count from the American Community Survey.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.