Percent Change in Population, 2010-11
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The table is sorted in ascending order by FIPS code . Click a column title to sort by that column; click again to reverse the sort.
FIPS 1 County name RUC code 2 Pop. 1990 Pop. 2000 Pop. 2010 Pop. 2011 Change 2010-11 42001 Adams County 4 78,274 91,207 101,407 101,434 0.03 42003 Allegheny County 1 1,336,449 1,281,795 1,223,348 1,227,066 0.30 42005 Armstrong County 1 73,478 72,345 68,941 68,568 -0.54 42007 Beaver County 1 186,093 181,448 170,539 170,414 -0.07 42009 Bedford County 6 47,919 49,890 49,762 49,739 -0.07 42011 Berks County 2 336,523 373,712 411,442 412,778 0.33 42013 Blair County 3 130,542 129,105 127,089 127,099 0.02 42015 Bradford County 6 60,967 62,747 62,622 62,917 0.47 42017 Bucks County 1 541,174 597,548 625,249 626,854 0.26 42019 Butler County 1 152,013 174,105 183,862 184,848 0.54 42021 Cambria County 3 163,062 152,555 143,679 143,728 0.03 42023 Cameron County 7 5,913 5,971 5,085 5,010 -1.47 42025 Carbon County 2 56,803 58,765 65,249 65,154 -0.15 42027 Centre County 3 124,812 135,678 153,990 154,722 0.48 42029 Chester County 1 376,389 433,208 498,886 503,897 1.00 42031 Clarion County 6 41,699 41,739 39,988 40,013 0.06 42033 Clearfield County 4 78,097 83,529 81,642 81,445 -0.24 42035 Clinton County 6 37,182 37,879 39,238 39,208 -0.08 42037 Columbia County 4 63,202 63,947 67,295 67,476 0.27 42039 Crawford County 4 86,166 90,352 88,765 88,740 -0.03 42041 Cumberland County 2 195,257 213,605 235,406 237,892 1.06 42043 Dauphin County 2 237,813 251,770 268,100 268,977 0.33 42045 Delaware County 1 547,658 551,722 558,979 559,494 0.09 42047 Elk County 7 34,878 35,114 31,946 31,751 -0.61 42049 Erie County 2 275,575 280,907 280,566 280,985 0.15 42051 Fayette County 1 145,351 148,536 136,606 136,097 -0.37 42053 Forest County 9 4,802 4,948 7,716 7,589 -1.65 42055 Franklin County 4 121,082 129,495 149,618 150,811 0.80 42057 Fulton County 8 13,837 14,259 14,845 14,801 -0.30 42059 Greene County 6 39,550 40,626 38,686 38,623 -0.16 42061 Huntingdon County 6 44,164 45,613 45,913 45,875 -0.08 42063 Indiana County 4 89,994 89,593 88,880 89,298 0.46 42065 Jefferson County 7 46,083 45,915 45,200 44,976 -0.49 42067 Juniata County 6 20,625 22,814 24,636 24,400 -0.97 42069 Lackawanna County 2 219,097 213,292 214,437 214,166 -0.13 42071 Lancaster County 2 422,822 470,783 519,445 523,594 0.80 42073 Lawrence County 4 96,246 94,567 91,108 90,535 -0.63 42075 Lebanon County 3 113,744 120,202 133,568 134,311 0.55 42077 Lehigh County 2 291,130 311,746 349,497 352,947 0.99 42079 Luzerne County 2 328,149 319,429 320,918 320,651 -0.08 42081 Lycoming County 3 118,710 120,003 116,111 116,747 0.55 42083 McKean County 7 47,131 45,908 43,450 43,222 -0.52 42085 Mercer County 2 121,003 120,368 116,638 116,205 -0.37 42087 Mifflin County 4 46,197 46,471 46,682 46,858 0.37 42089 Monroe County 4 95,681 138,615 169,842 169,882 0.02 42091 Montgomery County 1 678,193 749,409 799,874 804,210 0.54 42093 Montour County 6 17,735 18,234 18,267 18,296 0.16 42095 Northampton County 2 247,110 267,446 297,735 298,476 0.25 42097 Northumberland County 4 96,771 94,867 94,528 94,558 0.04 42099 Perry County 2 41,172 43,636 45,969 46,042 0.16 42101 Philadelphia County 1 1,585,577 1,517,562 1,526,006 1,536,471 0.69 42103 Pike County 1 28,032 46,125 57,369 56,852 -0.90 42105 Potter County 9 16,717 18,082 17,457 17,453 -0.02 42107 Schuylkill County 4 152,585 150,263 148,289 147,513 -0.52 42109 Snyder County 7 36,680 37,506 39,702 39,819 0.29 42111 Somerset County 4 78,218 80,047 77,742 77,405 -0.43 42113 Sullivan County 8 6,104 6,561 6,428 6,479 0.79 42115 Susquehanna County 6 40,380 42,225 43,356 43,192 -0.38 42117 Tioga County 6 41,126 41,346 41,981 42,419 1.04 42119 Union County 4 36,176 41,583 44,947 44,847 -0.23 42121 Venango County 4 59,381 57,500 54,984 54,683 -0.55 42123 Warren County 6 45,050 43,784 41,815 41,441 -0.89 42125 Washington County 1 204,584 203,014 207,820 208,282 0.22 42127 Wayne County 6 39,944 47,679 52,822 53,004 0.34 42129 Westmoreland County 1 370,321 369,990 365,169 364,471 -0.19 42131 Wyoming County 2 28,076 28,072 28,276 28,406 0.46 42133 York County 2 339,574 381,791 434,972 436,770 0.41
Source: U.S. Census Bureau , 1990 and 2000 Censuses of Population (corrected), 2010 county redistricting files , and 2011 County Total Population Estimates .
1) The FIPS codes uniquely identify each county and are part of the Federal Information Processing Standards (FIPS) developed by the National Institute of Standards and Technology (NIST), U.S. Department of Commerce. For more information, see the NIST FIPS publication page.2) The 2003 rural-urban continuum codes classify metropolitan counties (codes 1 through 3) by size of the Metropolitan Statistical Area (MSA), and nonmetropolitan counties (codes 4 through 9) by degree of urbanization and proximity to metro areas. See rural-urban continuum codes for precise definitions of each code.