Annual Estimates of the Population for Counties of Pennsylvania

Annual Estimates of the Population for Counties of Pennsylvania: April 1, 2000 to July 1, 2006
Geographic Area	Population Estimates							April 1, 2000
Geographic Area	July 1, 2006	July 1, 2005	July 1, 2004	July 1, 2003	July 1, 2002	July 1, 2001	July 1, 2000	Estimates Base	Census
Pennsylvania	12,440,621	12,405,348	12,377,381	12,351,381	12,321,644	12,295,929	12,286,905	12,281,054	12,281,054
Adams County	101,105	99,746	98,237	96,236	94,512	92,907	91,620	91,292	91,292
Allegheny County	1,223,411	1,233,036	1,245,789	1,257,062	1,265,413	1,272,507	1,279,868	1,281,666	1,281,666
Armstrong County	70,096	70,527	71,304	71,571	71,784	72,011	72,321	72,392	72,392
Beaver County	175,736	176,825	177,896	178,666	179,079	179,909	181,160	181,412	181,412
Bedford County	49,927	49,862	49,966	49,924	49,862	49,886	50,045	49,984	49,984
Berks County	401,149	396,236	391,172	385,982	381,619	377,747	374,614	373,661	373,638
Blair County	126,494	126,572	127,095	127,323	127,600	128,501	129,066	129,144	129,144
Bradford County	62,471	62,504	62,445	62,530	62,701	62,690	62,796	62,761	62,761
Bucks County	623,205	619,772	616,533	612,369	609,085	604,199	599,525	597,632	597,635
Butler County	182,901	181,526	180,483	179,556	178,110	176,102	174,598	174,081	174,083
Cambria County	146,967	147,804	148,512	149,303	150,303	151,231	152,251	152,598	152,598
Cameron County	5,489	5,593	5,657	5,777	5,844	5,905	5,943	5,974	5,974
Carbon County	62,567	61,876	60,992	60,243	59,721	59,236	58,846	58,802	58,802
Centre County	140,953	140,313	139,934	139,754	138,660	136,265	135,845	135,758	135,758
Chester County	482,112	473,723	465,761	457,477	449,977	442,418	435,869	433,501	433,501
Clarion County	40,385	40,388	40,459	41,282	41,207	41,592	41,744	41,765	41,765
Clearfield County	82,442	82,634	82,816	82,994	83,315	83,217	83,392	83,382	83,382
Clinton County	37,232	37,233	37,273	37,416	37,526	37,768	37,926	37,910	37,914
Columbia County	65,014	64,792	64,844	64,737	64,476	64,317	64,111	64,148	64,151
Crawford County	89,389	89,484	89,683	89,889	90,071	90,224	90,394	90,366	90,366
Cumberland County	226,117	223,017	220,974	219,336	217,490	215,187	213,988	213,674	213,674
Dauphin County	254,176	252,949	252,609	252,893	252,572	251,625	251,839	251,798	251,798
Delaware County	555,996	554,393	553,528	553,632	553,256	553,075	552,250	551,974	550,864
Elk County	33,179	33,473	33,920	34,181	34,514	34,820	35,046	35,112	35,112
Erie County	279,811	280,184	280,833	282,892	282,475	281,749	280,729	280,843	280,843
Fayette County	145,760	146,206	146,612	146,076	146,665	147,277	148,527	148,644	148,644
Forest County	6,506	6,507	5,773	4,935	4,976	5,034	4,940	4,946	4,946
Franklin County	139,991	137,273	134,629	132,754	131,502	130,296	129,556	129,313	129,313
Fulton County	14,783	14,655	14,564	14,518	14,333	14,221	14,266	14,261	14,261
Greene County	40,432	40,408	39,979	40,183	40,462	40,453	40,688	40,672	40,672
Huntingdon County	45,771	45,772	45,832	45,862	45,801	45,607	45,600	45,586	45,586
Indiana County	88,234	88,481	88,849	89,244	89,047	89,280	89,537	89,605	89,605
Jefferson County	45,725	45,716	45,788	45,896	45,786	45,838	45,948	45,932	45,932
Juniata County	23,512	23,412	23,303	23,104	22,894	22,790	22,857	22,821	22,821
Lackawanna County	209,728	209,622	209,732	210,104	210,954	212,183	212,935	213,295	213,295
Lancaster County	494,486	489,936	486,002	482,159	478,285	474,562	471,756	470,635	470,658
Lawrence County	91,795	92,412	92,958	93,393	93,762	93,991	94,628	94,645	94,643
Lebanon County	126,883	125,429	124,064	122,807	121,577	120,983	120,440	120,327	120,327
Lehigh County	335,544	330,168	325,244	321,105	317,170	314,903	312,691	312,090	312,090
Luzerne County	313,020	312,795	312,765	313,621	314,489	315,899	318,629	319,252	319,250
Lycoming County	117,668	118,102	118,375	118,481	118,741	119,222	119,959	120,048	120,044
McKean County	44,065	44,239	44,643	45,017	45,455	45,280	45,803	45,936	45,936
Mercer County	118,551	119,115	119,547	119,753	119,729	120,001	120,197	120,293	120,293
Mifflin County	46,057	46,085	46,118	46,285	46,487	46,499	46,501	46,486	46,486
Monroe County	165,685	162,415	158,474	154,217	149,072	144,000	139,844	138,687	138,687
Montgomery County	775,688	774,666	772,628	770,037	764,242	758,419	751,010	748,987	750,097
Montour County	17,934	17,983	17,994	18,111	18,180	18,308	18,255	18,239	18,236
Northampton County	291,306	287,334	283,312	278,141	273,776	269,731	267,510	267,069	267,066
Northumberland County	91,654	92,280	92,666	93,123	93,425	93,751	94,481	94,556	94,556
Perry County	45,087	44,724	44,526	44,248	43,911	43,797	43,620	43,602	43,602
Philadelphia County	1,448,394	1,456,350	1,465,475	1,473,364	1,485,249	1,497,897	1,513,655	1,517,550	1,517,550
Pike County	58,195	56,180	53,939	52,128	50,040	48,181	46,653	46,302	46,302
Potter County	17,568	17,728	17,929	18,091	18,155	18,096	18,146	18,080	18,080
Schuylkill County	147,405	146,996	147,159	147,716	148,725	149,287	150,149	150,334	150,336
Snyder County	38,226	37,949	38,079	37,933	37,907	37,780	37,553	37,546	37,546
Somerset County	78,508	78,796	79,238	79,608	79,592	79,477	80,043	80,023	80,023
Sullivan County	6,277	6,361	6,435	6,452	6,529	6,538	6,563	6,556	6,556
Susquehanna County	41,889	41,943	41,943	41,887	41,945	42,256	42,256	42,238	42,238
Tioga County	41,137	41,382	41,638	41,597	41,586	41,524	41,361	41,373	41,373
Union County	43,387	43,171	42,884	42,319	42,196	42,098	41,666	41,624	41,624
Venango County	55,488	55,938	56,116	56,542	56,861	57,162	57,477	57,565	57,565
Warren County	41,742	41,973	42,444	42,778	43,170	43,731	43,797	43,863	43,863
Washington County	206,432	206,418	205,003	204,599	203,694	203,523	203,049	202,897	202,897
Wayne County	50,929	50,529	49,577	49,083	48,446	48,104	47,927	47,722	47,722
Westmoreland County	366,440	367,133	367,530	368,166	368,168	369,096	369,838	369,993	369,993
Wyoming County	28,093	28,122	28,154	28,099	27,983	28,102	28,031	28,080	28,080
York County	416,322	408,182	400,746	394,820	389,505	385,664	382,777	381,751	381,751

Source: Population Division, U.S. Census Bureau

Pennsylvania Counties Population Estimates