| table with row headers in column A and column headers in rows 3 through 5 (leading dots indicate sub-parts) | ||||||||
| Annual Estimates of Population Change for Counties of Pennsylvania and County Rankings: July 1, 2004 to July 1, 2005 | ||||||||
| .Geographic Area | Population estimates | Change, 2004 to 2005 | State ranking of counties | |||||
| Population estimates | Change, 2004 to 2005 | |||||||
| July 1, 2005 | July 1, 2004 | Number | Percent | July 1, 2005 | July 1, 2004 | Number | Percent | |
| Pennsylvania | 12,429,616 | 12,394,471 | 35,145 | 0.3 | (X) | (X) | (X) | (X) |
| .Adams County | 99,749 | 98,265 | 1,484 | 1.5 | 31 | 31 | 14 | 8 |
| .Allegheny County | 1,235,841 | 1,247,512 | -11,671 | -0.9 | 2 | 2 | 67 | 64 |
| .Armstrong County | 70,586 | 71,373 | -787 | -1.1 | 38 | 38 | 65 | 66 |
| .Beaver County | 177,377 | 178,120 | -743 | -0.4 | 20 | 20 | 64 | 54 |
| .Bedford County | 50,091 | 50,024 | 67 | 0.1 | 45 | 44 | 30 | 31 |
| .Berks County | 396,314 | 391,447 | 4,867 | 1.2 | 9 | 9 | 3 | 10 |
| .Blair County | 126,795 | 127,202 | -407 | -0.3 | 27 | 27 | 58 | 50 |
| .Bradford County | 62,537 | 62,496 | 41 | 0.1 | 40 | 40 | 32 | 33 |
| .Bucks County | 621,342 | 617,214 | 4,128 | 0.7 | 4 | 4 | 8 | 18 |
| .Butler County | 182,087 | 180,664 | 1,423 | 0.8 | 19 | 19 | 15 | 16 |
| .Cambria County | 148,073 | 148,646 | -573 | -0.4 | 22 | 22 | 62 | 52 |
| .Cameron County | 5,639 | 5,678 | -39 | -0.7 | 67 | 67 | 39 | 62 |
| .Carbon County | 61,959 | 61,032 | 927 | 1.5 | 41 | 41 | 19 | 7 |
| .Centre County | 140,561 | 139,948 | 613 | 0.4 | 25 | 25 | 20 | 21 |
| .Chester County | 474,027 | 466,043 | 7,984 | 1.7 | 7 | 7 | 1 | 5 |
| .Clarion County | 40,589 | 40,466 | 123 | 0.3 | 55 | 55 | 26 | 26 |
| .Clearfield County | 82,783 | 82,883 | -100 | -0.1 | 36 | 36 | 43 | 42 |
| .Clinton County | 37,439 | 37,311 | 128 | 0.3 | 58 | 58 | 25 | 24 |
| .Columbia County | 64,939 | 64,939 | - | 0.0 | 39 | 39 | 36 | 36 |
| .Crawford County | 89,442 | 89,725 | -283 | -0.3 | 34 | 34 | 52 | 49 |
| .Cumberland County | 223,089 | 221,135 | 1,954 | 0.9 | 16 | 16 | 12 | 13 |
| .Dauphin County | 253,995 | 253,060 | 935 | 0.4 | 15 | 15 | 18 | 23 |
| .Delaware County | 555,648 | 554,426 | 1,222 | 0.2 | 5 | 5 | 16 | 29 |
| .Elk County | 33,577 | 33,963 | -386 | -1.1 | 59 | 59 | 56 | 67 |
| .Erie County | 280,446 | 280,844 | -398 | -0.1 | 14 | 14 | 57 | 44 |
| .Fayette County | 146,142 | 146,842 | -700 | -0.5 | 24 | 24 | 63 | 55 |
| .Forest County | 5,739 | 5,773 | -34 | -0.6 | 66 | 66 | 38 | 59 |
| .Franklin County | 137,409 | 134,743 | 2,666 | 2.0 | 26 | 26 | 9 | 3 |
| .Fulton County | 14,673 | 14,569 | 104 | 0.7 | 64 | 64 | 27 | 17 |
| .Greene County | 39,808 | 40,001 | -193 | -0.5 | 56 | 56 | 47 | 56 |
| .Huntingdon County | 45,947 | 45,920 | 27 | 0.1 | 47 | 47 | 35 | 34 |
| .Indiana County | 88,703 | 88,929 | -226 | -0.3 | 35 | 35 | 50 | 48 |
| .Jefferson County | 45,759 | 45,835 | -76 | -0.2 | 48 | 48 | 42 | 45 |
| .Juniata County | 23,507 | 23,314 | 193 | 0.8 | 61 | 61 | 23 | 15 |
| .Lackawanna County | 209,525 | 209,950 | -425 | -0.2 | 17 | 17 | 60 | 46 |
| .Lancaster County | 490,562 | 486,361 | 4,201 | 0.9 | 6 | 6 | 7 | 14 |
| .Lawrence County | 92,809 | 93,148 | -339 | -0.4 | 32 | 32 | 54 | 51 |
| .Lebanon County | 125,578 | 124,087 | 1,491 | 1.2 | 28 | 28 | 13 | 11 |
| .Lehigh County | 330,433 | 325,570 | 4,863 | 1.5 | 11 | 11 | 4 | 9 |
| .Luzerne County | 312,861 | 313,088 | -227 | -0.1 | 12 | 12 | 51 | 38 |
| .Lycoming County | 118,395 | 118,505 | -110 | -0.1 | 30 | 30 | 44 | 40 |
| .McKean County | 44,370 | 44,740 | -370 | -0.8 | 50 | 49 | 55 | 63 |
| .Mercer County | 119,598 | 119,715 | -117 | -0.1 | 29 | 29 | 46 | 41 |
| .Mifflin County | 46,235 | 46,191 | 44 | 0.1 | 46 | 46 | 31 | 32 |
| .Monroe County | 163,234 | 158,816 | 4,418 | 2.8 | 21 | 21 | 6 | 2 |
| .Montgomery County | 775,883 | 773,375 | 2,508 | 0.3 | 3 | 3 | 10 | 25 |
| .Montour County | 18,032 | 17,995 | 37 | 0.2 | 62 | 62 | 33 | 30 |
| .Northampton County | 287,767 | 283,333 | 4,434 | 1.6 | 13 | 13 | 5 | 6 |
| .Northumberland County | 92,610 | 92,821 | -211 | -0.2 | 33 | 33 | 48 | 47 |
| .Perry County | 44,728 | 44,549 | 179 | 0.4 | 49 | 50 | 24 | 22 |
| .Philadelphia County | 1,463,281 | 1,471,255 | -7,974 | -0.5 | 1 | 1 | 66 | 58 |
| .Pike County | 56,337 | 54,041 | 2,296 | 4.2 | 42 | 43 | 11 | 1 |
| .Potter County | 17,834 | 17,950 | -116 | -0.6 | 63 | 63 | 45 | 60 |
| .Schuylkill County | 147,447 | 147,410 | 37 | 0.0 | 23 | 23 | 33 | 35 |
| .Snyder County | 38,207 | 38,113 | 94 | 0.2 | 57 | 57 | 29 | 27 |
| .Somerset County | 78,907 | 79,322 | -415 | -0.5 | 37 | 37 | 59 | 57 |
| .Sullivan County | 6,391 | 6,435 | -44 | -0.7 | 65 | 65 | 40 | 61 |
| .Susquehanna County | 42,124 | 42,023 | 101 | 0.2 | 52 | 53 | 28 | 28 |
| .Tioga County | 41,649 | 41,701 | -52 | -0.1 | 54 | 54 | 41 | 43 |
| .Union County | 43,131 | 42,881 | 250 | 0.6 | 51 | 51 | 22 | 19 |
| .Venango County | 55,928 | 56,149 | -221 | -0.4 | 43 | 42 | 49 | 53 |
| .Warren County | 42,033 | 42,470 | -437 | -1.0 | 53 | 52 | 61 | 65 |
| .Washington County | 206,406 | 205,319 | 1,087 | 0.5 | 18 | 18 | 17 | 20 |
| .Wayne County | 50,113 | 49,640 | 473 | 1.0 | 44 | 45 | 21 | 12 |
| .Westmoreland County | 367,635 | 367,937 | -302 | -0.1 | 10 | 10 | 53 | 39 |
| .Wyoming County | 28,160 | 28,176 | -16 | -0.1 | 60 | 60 | 37 | 37 |
| .York County | 408,801 | 401,063 | 7,738 | 1.9 | 8 | 8 | 2 | 4 |
| Dash (-) represents zero or rounds to zero. (X) Not applicable | ||||||||
| Courtesy of the Pennsylvania State Data Center | ||||||||
| Source: Population Division, U.S. Census Bureau | ||||||||
| Release Date: March 16, 2006 | ||||||||