(CO-99-1) County Population Estimates for July 1, 1999 and Population Change for July 1, 1998 to July 1, 1999 Source: Population Estimates Program, Population Division, U.S. Census Bureau, Washington, DC 20233 Contact: Demographic Call Center Staff, 1-866-758-1060 Internet Release Date: March 9, 2000 Numeric Percent Population Population 7/1/99 7/1/98 Change Change FIPS State/County Code and Area Name Estimate Estimate 1998-99 1998-99 42 Pennsylvania....................... 11,994,016 12,002,329 -8,313 -0.1 42001 Adams County, PA................... 87,697 86,660 1,037 1.2 42003 Allegheny County, PA............... 1,256,806 1,267,963 -11,157 -0.9 42005 Armstrong County, PA............... 73,001 73,313 -312 -0.4 42007 Beaver County, PA.................. 182,687 184,287 -1,600 -0.9 42009 Bedford County, PA................. 49,699 49,405 294 0.6 42011 Berks County, PA................... 358,211 355,761 2,450 0.7 42013 Blair County, PA................... 129,937 130,547 -610 -0.5 42015 Bradford County, PA................ 62,146 62,386 -240 -0.4 42017 Bucks County, PA................... 594,047 587,863 6,184 1.1 42019 Butler County, PA.................. 172,522 170,799 1,723 1.0 42021 Cambria County, PA................. 153,766 155,587 -1,821 -1.2 42023 Cameron County, PA................. 5,571 5,612 -41 -0.7 42025 Carbon County, PA.................. 58,759 58,690 69 0.1 42027 Centre County, PA.................. 132,190 131,997 193 0.1 42029 Chester County, PA................. 430,001 421,873 8,128 1.9 42031 Clarion County, PA................. 41,651 41,723 -72 -0.2 42033 Clearfield County, PA.............. 80,732 80,722 10 0.0 42035 Clinton County, PA................. 36,774 36,937 -163 -0.4 42037 Columbia County, PA................ 63,674 63,906 -232 -0.4 42039 Crawford County, PA................ 89,109 89,266 -157 -0.2 42041 Cumberland County, PA.............. 210,663 209,611 1,052 0.5 42043 Dauphin County, PA................. 245,576 245,456 120 0.0 42045 Delaware County, PA................ 541,502 542,592 -1,090 -0.2 42047 Elk County, PA..................... 34,344 34,614 -270 -0.8 42049 Erie County, PA.................... 276,993 278,114 -1,121 -0.4 42051 Fayette County, PA................. 143,775 144,362 -587 -0.4 42053 Forest County, PA.................. 4,938 4,947 -9 -0.2 42055 Franklin County, PA................ 128,812 128,255 557 0.4 42057 Fulton County, PA.................. 14,616 14,528 88 0.6 42059 Greene County, PA.................. 42,072 42,228 -156 -0.4 42061 Huntingdon County, PA.............. 44,753 44,755 -2 -0.0 42063 Indiana County, PA................. 87,831 88,389 -558 -0.6 42065 Jefferson County, PA............... 46,086 46,184 -98 -0.2 42067 Juniata County, PA................. 22,204 22,119 85 0.4 42069 Lackawanna County, PA.............. 206,520 208,390 -1,870 -0.9 42071 Lancaster County, PA............... 460,035 456,679 3,356 0.7 42073 Lawrence County, PA................ 94,508 94,904 -396 -0.4 42075 Lebanon County, PA................. 117,856 117,631 225 0.2 42077 Lehigh County, PA.................. 299,855 298,792 1,063 0.4 42079 Luzerne County, PA................. 312,000 314,609 -2,609 -0.8 42081 Lycoming County, PA................ 116,709 117,408 -699 -0.6 42083 McKean County, PA.................. 45,987 46,319 -332 -0.7 42085 Mercer County, PA.................. 121,458 121,760 -302 -0.2 42087 Mifflin County, PA................. 46,793 46,965 -172 -0.4 42089 Monroe County, PA.................. 128,541 125,407 3,134 2.5 42091 Montgomery County, PA.............. 724,087 719,569 4,518 0.6 42093 Montour County, PA................. 17,571 17,585 -14 -0.1 42095 Northampton County, PA............. 259,736 258,568 1,168 0.5 42097 Northumberland County, PA.......... 93,163 93,950 -787 -0.8 42099 Perry County, PA................... 44,280 44,273 7 0.0 42101 Philadelphia County, PA............ 1,417,601 1,434,968 -17,367 -1.2 42103 Pike County, PA.................... 41,357 40,149 1,208 3.0 42105 Potter County, PA.................. 17,115 17,134 -19 -0.1 42107 Schuylkill County, PA.............. 148,788 150,066 -1,278 -0.9 42109 Snyder County, PA.................. 37,875 37,965 -90 -0.2 42111 Somerset County, PA................ 80,028 80,192 -164 -0.2 42113 Sullivan County, PA................ 6,038 6,074 -36 -0.6 42115 Susquehanna County, PA............. 42,190 42,082 108 0.3 42117 Tioga County, PA................... 41,657 41,522 135 0.3 42119 Union County, PA................... 40,546 40,270 276 0.7 42121 Venango County, PA................. 57,562 57,795 -233 -0.4 42123 Warren County, PA.................. 43,505 43,793 -288 -0.7 42125 Washington County, PA.............. 204,888 205,339 -451 -0.2 42127 Wayne County, PA................... 46,080 45,431 649 1.4 42129 Westmoreland County, PA............ 370,658 372,389 -1,731 -0.5 42131 Wyoming County, PA................. 29,298 29,212 86 0.3 42133 York County, PA.................... 376,586 373,688 2,898 0.8