Pennsylvania / Counties by Population

Pennsylvania Counties by Population

The data is from the US Census. Below are 67 Pennsylvania counties ranked 1 through 67 . You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!

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Rank County Population
1 Philadelphia County 1,584,064
2 Allegheny County 1,216,045
3 Montgomery County 830,915
4 Bucks County 628,270
5 Delaware County 566,747
6 Lancaster County 545,724
7 Chester County 524,989
8 York County 449,058
9 Berks County 421,164
10 Lehigh County 369,318
11 Westmoreland County 348,899
12 Luzerne County 317,417
13 Northampton County 305,285
14 Dauphin County 278,299
15 Erie County 269,728
16 Cumberland County 253,370
17 Lackawanna County 209,674
18 Washington County 206,865
19 Butler County 187,853
20 Monroe County 170,271
21 Beaver County 163,929
22 Centre County 162,385
23 Franklin County 155,027
24 Lebanon County 141,793
25 Schuylkill County 141,359
26 Cambria County 130,192
27 Fayette County 129,274
28 Blair County 121,829
29 Lycoming County 113,299
30 Mercer County 109,424
31 Adams County 103,009
32 Northumberland County 90,843
33 Lawrence County 85,512
34 Crawford County 84,629
35 Indiana County 84,073
36 Clearfield County 79,255
37 Somerset County 73,447
38 Columbia County 64,964
39 Armstrong County 64,735
40 Carbon County 64,182
41 Bradford County 60,323
42 Pike County 55,809
43 Wayne County 51,361
44 Venango County 50,668
45 Bedford County 47,888
46 Perry County 46,272
47 Mifflin County 46,138
48 Huntingdon County 45,144
49 Union County 44,923
50 Jefferson County 43,425
51 McKean County 40,625
52 Tioga County 40,591
53 Snyder County 40,372
54 Susquehanna County 40,328
55 Warren County 39,191
56 Clinton County 38,632
57 Clarion County 38,438
58 Greene County 36,233
59 Elk County 29,910
60 Wyoming County 26,794
61 Juniata County 24,763
62 Montour County 18,230
63 Potter County 16,526
64 Fulton County 14,530
65 Forest County 7,247
66 Sullivan County 6,066
67 Cameron County 4,447

United States Census Bureau. B01001 SEX BY AGE, 2018 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 19 December 2019. http://www.census.gov/.

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2019. U.S. Census Bureau, Population Division. Web. May 2020. http://www.census.gov/.

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