Population Projections for Pennsylvania

	Census	Projection	Projection	Projection	% Change	% Change	% Change
	April 1, 1990	July 1, 2000	July 1, 2010	July 1, 2020	1990-2000	2000-2010	2010-2020
Pennsylvania	11,882,842	12,241,488	12,407,523	12,569,017	3.0	1.4	1.3
Adams	78,274	89,143	97,059	103,475	13.9	8.9	6.6
Allegheny	1,336,449	1,265,184	1,187,725	1,130,284	-5.3	-6.1	-4.8
Armstrong	73,478	68,829	64,518	61,003	-6.3	-6.3	-5.4
Beaver	186,093	177,941	168,643	160,838	-4.4	-5.2	-4.6
Bedford	47,919	50,143	52,327	54,402	4.6	4.4	4.0
Berks	336,523	368,202	391,231	414,621	9.4	6.3	6.0
Blair	130,542	128,565	126,884	125,049	-1.5	-1.3	-1.4
Bradford	60,967	65,160	69,431	74,199	6.9	6.6	6.9
Bucks	541,174	606,021	634,158	645,042	12.0	4.6	1.7
Butler	152,013	163,031	171,066	177,837	7.2	4.9	4.0
Cambria	163,062	151,785	141,545	132,266	-6.9	-6.7	-6.6
Cameron	5,913	5,577	5,387	5,333	-5.7	-3.4	-1.0
Carbon	56,846	62,382	64,306	64,599	9.7	3.1	0.5
Centre	124,812	137,704	147,065	151,010	10.3	6.8	2.7
Chester	376,396	436,761	477,297	510,219	16.0	9.3	6.9
Clarion	41,699	41,997	41,762	40,781	0.7	-0.6	-2.3
Clearfield	78,097	75,965	73,427	70,760	-2.7	-3.3	-3.6
Clinton	37,182	38,170	39,104	39,839	2.7	2.4	1.9
Columbia	63,202	62,546	61,280	59,798	-1.0	-2.0	-2.4
Crawford	86,170	88,366	90,315	93,048	2.5	2.2	3.0
Cumberland	195,257	225,774	249,813	269,375	15.6	10.6	7.8
Dauphin	237,813	254,948	264,378	273,483	7.2	3.7	3.4
Delaware	547,651	556,623	554,598	553,900	1.6	-0.4	-0.1
Elk	34,878	33,070	31,207	30,158	-5.2	-5.6	-3.4
Erie	275,572	283,851	288,541	292,252	3.0	1.7	1.3
Fayette	145,351	142,010	137,761	134,499	-2.3	-3.0	-2.4
Forest	4,802	5,051	5,116	5,158	5.2	1.3	0.8
Franklin	121,082	128,644	131,561	133,312	6.2	2.3	1.3
Fulton	13,837	15,092	15,996	16,565	9.1	6.0	3.6
Greene	39,550	41,058	41,724	42,484	3.8	1.6	1.8
Huntingdon	44,164	46,876	48,299	48,989	6.1	3.0	1.4
Indiana	89,994	91,628	93,589	93,834	1.8	2.1	0.3
Jefferson	46,083	43,845	42,061	40,533	-4.9	-4.1	-3.6
Juniata	20,625	20,868	21,006	21,058	1.2	0.7	0.2
Lackawanna	219,097	215,218	211,356	209,111	-1.8	-1.8	-1.1
Lancaster	422,822	486,046	540,823	597,975	15.0	11.3	10.6
Lawrence	96,246	91,028	86,452	83,259	-5.4	-5.0	-3.7
Lebanon	113,744	122,361	126,489	129,742	7.6	3.4	2.6
Lehigh	291,130	311,521	320,249	327,295	7.0	2.8	2.2
Luzerne	328,149	330,718	324,516	317,870	0.8	-1.9	-2.0
Lycoming	118,710	122,915	124,102	124,149	3.5	1.0	0.0
McKean	47,131	47,856	47,411	47,141	1.5	-0.9	-0.6
Mercer	121,003	122,293	123,152	124,609	1.1	0.7	1.2
Mifflin	46,197	46,356	45,680	45,209	0.3	-1.5	-1.0
Monroe	95,709	134,683	172,172	212,009	40.7	27.8	23.1
Montgomery	678,193	699,475	704,146	711,734	3.1	0.7	1.1
Montour	17,735	19,081	19,765	20,555	7.6	3.6	4.0
Northampton	247,105	270,230	286,983	303,586	9.4	6.2	5.8
Northumberland	96,771	96,511	94,338	92,835	-0.3	-2.3	-1.6
Perry	41,172	47,967	52,785	55,784	16.5	10.0	5.7
Philadelphia	1,585,577	1,511,074	1,473,330	1,451,337	-4.7	-2.5	-1.5
Pike	27,966	43,832	60,059	79,170	56.7	37.0	31.8
Potter	16,717	15,899	15,276	14,852	-4.9	-3.9	-2.8
Schuylkill	152,585	152,271	148,367	145,994	-0.2	-2.6	-1.6
Snyder	36,680	41,817	46,208	50,081	14.0	10.5	8.4
Somerset	78,218	76,391	73,208	70,323	-2.3	-4.2	-3.9
Sullivan	6,104	6,766	7,156	7,457	10.8	5.8	4.2
Susquehanna	40,380	44,257	45,967	47,565	9.6	3.9	3.5
Tioga	41,126	42,256	43,060	43,617	2.7	1.9	1.3
Union	36,176	41,010	44,440	47,465	13.4	8.4	6.8
Venango	59,381	55,943	53,140	50,852	-5.8	-5.0	-4.3
Warren	45,049	42,486	40,278	38,306	-5.7	-5.2	-4.9
Washington	204,584	201,414	196,872	191,085	-1.5	-2.3	-2.9
Wayne	39,944	46,392	49,748	51,333	16.1	7.2	3.2
Westmoreland	370,321	368,354	361,495	353,578	-0.5	-1.9	-2.2
Wyoming	28,076	32,210	35,187	37,202	14.7	9.2	5.7
York	339,574	382,047	403,133	415,934	12.5	5.5	3.2


Source:        Pennsylvania State Data Center

Prepared by:   The Pennsylvania State Data Center, Penn State Harrisburg