Pennsylvania
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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 |
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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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