table with row headers in column A and column headers in rows 3 through 4 (leading dots indicate sub-parts)
Annual Estimates of the Population for Counties of Pennsylvania: April 1, 2000 to July 1, 2005
Geographic Area	Population estimates						April 1, 2000
	July 1, 2005	July 1, 2004	July 1, 2003	July 1, 2002	July 1, 2001	July 1, 2000	Estimates base	Census
Pennsylvania	12,429,616	12,394,471	12,364,930	12,324,415	12,296,063	12,286,314	12,281,054	12,281,054
.Adams County	99,749	98,265	96,302	94,501	92,888	91,615	91,292	91,292
.Allegheny County	1,235,841	1,247,512	1,258,476	1,265,773	1,272,568	1,279,817	1,281,666	1,281,666
.Armstrong County	70,586	71,373	71,636	71,801	72,013	72,318	72,392	72,392
.Beaver County	177,377	178,120	178,867	179,148	179,929	181,156	181,412	181,412
.Bedford County	50,091	50,024	49,977	49,876	49,888	50,041	49,984	49,984
.Berks County	396,314	391,447	386,339	381,657	377,699	374,561	373,638	373,638
.Blair County	126,795	127,202	127,432	127,618	128,500	129,060	129,144	129,144
.Bradford County	62,537	62,496	62,587	62,719	62,696	62,793	62,761	62,761
.Bucks County	621,342	617,214	612,853	609,076	604,122	599,490	597,632	597,635
.Butler County	182,087	180,664	179,696	178,132	176,095	174,588	174,083	174,083
.Cambria County	148,073	148,646	149,455	150,349	151,236	152,245	152,598	152,598
.Cameron County	5,639	5,678	5,782	5,846	5,905	5,943	5,974	5,974
.Carbon County	61,959	61,032	60,300	59,731	59,236	58,844	58,802	58,802
.Centre County	140,561	139,948	139,762	138,564	136,196	135,823	135,758	135,758
.Chester County	474,027	466,043	457,728	449,863	442,309	435,824	433,501	433,501
.Clarion County	40,589	40,466	41,320	41,216	41,594	41,743	41,765	41,765
.Clearfield County	82,783	82,883	83,071	83,337	83,221	83,389	83,382	83,382
.Clinton County	37,439	37,311	37,457	37,540	37,773	37,929	37,914	37,914
.Columbia County	64,939	64,939	64,796	64,491	64,317	64,108	64,148	64,151
.Crawford County	89,442	89,725	89,971	90,091	90,223	90,390	90,366	90,366
.Cumberland County	223,089	221,135	219,486	217,478	215,158	213,970	213,674	213,674
.Dauphin County	253,995	253,060	253,192	252,623	251,623	251,827	251,798	251,798
.Delaware County	555,648	554,426	554,263	553,356	553,049	552,206	551,974	550,864
.Elk County	33,577	33,963	34,214	34,523	34,821	35,045	35,112	35,112
.Erie County	280,446	280,844	282,996	282,409	281,674	280,716	280,843	280,843
.Fayette County	146,142	146,842	146,230	146,712	147,284	148,522	148,644	148,644
.Forest County	5,739	5,773	4,941	4,979	5,035	4,940	4,946	4,946
.Franklin County	137,409	134,743	132,849	131,496	130,276	129,546	129,313	129,313
.Fulton County	14,673	14,569	14,531	14,336	14,221	14,265	14,261	14,261
.Greene County	39,808	40,001	40,227	40,474	40,455	40,684	40,672	40,672
.Huntingdon County	45,947	45,920	45,906	45,813	45,608	45,598	45,586	45,586
.Indiana County	88,703	88,929	89,315	89,057	89,275	89,531	89,605	89,605
.Jefferson County	45,759	45,835	45,937	45,793	45,838	45,946	45,932	45,932
.Juniata County	23,507	23,314	23,124	22,898	22,789	22,857	22,821	22,821
.Lackawanna County	209,525	209,950	210,300	210,996	212,185	212,924	213,295	213,295
.Lancaster County	490,562	486,361	482,605	478,360	474,552	471,743	470,658	470,658
.Lawrence County	92,809	93,148	93,497	93,795	94,000	94,625	94,643	94,643
.Lebanon County	125,578	124,087	122,902	121,591	120,976	120,433	120,327	120,327
.Lehigh County	330,433	325,570	321,434	317,203	314,894	312,673	312,090	312,090
.Luzerne County	312,861	313,088	313,973	314,618	315,961	318,606	319,250	319,250
.Lycoming County	118,395	118,505	118,603	118,773	119,226	119,951	120,044	120,044
.McKean County	44,370	44,740	45,062	45,469	45,282	45,802	45,936	45,936
.Mercer County	119,598	119,715	119,892	119,782	120,017	120,193	120,293	120,293
.Mifflin County	46,235	46,191	46,324	46,496	46,499	46,498	46,486	46,486
.Monroe County	163,234	158,816	154,461	149,159	144,028	139,845	138,687	138,687
.Montgomery County	775,883	773,375	770,538	764,146	758,276	750,943	748,987	750,097
.Montour County	18,032	17,995	18,126	18,183	18,308	18,253	18,239	18,236
.Northampton County	287,767	283,333	278,229	273,685	269,639	267,488	267,069	267,066
.Northumberland County	92,610	92,821	93,214	93,450	93,751	94,478	94,556	94,556
.Perry County	44,728	44,549	44,290	43,921	43,798	43,618	43,602	43,602
.Philadelphia County	1,463,281	1,471,255	1,477,055	1,486,594	1,498,501	1,513,701	1,517,550	1,517,550
.Pike County	56,337	54,041	52,209	50,068	48,194	46,656	46,302	46,302
.Potter County	17,834	17,950	18,109	18,161	18,097	18,145	18,080	18,080
.Schuylkill County	147,447	147,410	147,855	148,771	149,295	150,147	150,336	150,336
.Snyder County	38,207	38,113	37,969	37,916	37,781	37,551	37,546	37,546
.Somerset County	78,907	79,322	79,677	79,609	79,475	80,040	80,023	80,023
.Sullivan County	6,391	6,435	6,454	6,526	6,536	6,563	6,556	6,556
.Susquehanna County	42,124	42,023	41,929	41,957	42,256	42,254	42,238	42,238
.Tioga County	41,649	41,701	41,638	41,599	41,527	41,359	41,373	41,373
.Union County	43,131	42,881	42,348	42,194	42,091	41,659	41,624	41,624
.Venango County	55,928	56,149	56,595	56,879	57,166	57,476	57,565	57,565
.Warren County	42,033	42,470	42,814	43,180	43,733	43,796	43,863	43,863
.Washington County	206,406	205,319	204,814	203,756	203,532	203,040	202,897	202,897
.Wayne County	50,113	49,640	49,127	48,456	48,105	47,925	47,722	47,722
.Westmoreland County	367,635	367,937	368,534	368,271	369,109	369,820	369,993	369,993
.Wyoming County	28,160	28,176	28,127	27,992	28,104	28,030	28,080	28,080
.York County	408,801	401,063	395,208	389,583	385,655	382,749	381,751	381,751
Note: The April 1, 2000 Population Estimates base reflects changes to the Census 2000 population from the Count Question Resolution program and geographic program revisions.  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