Population Change from 1990 to 2000
County or Municipality	2000 Population	1990 Population	Population Change	Percent Change
Pennsylvania	12 281 054	11 881 643	399 411	3.4
Adams County	91 292	78 274	13 018	16.6
Abbottstown borough	905	539	366	67.9
Arendtsville borough	848	693	155	22.4
Bendersville borough	576	560	16	2.9
Berwick township	1 818	1 831	-  13	- 0.7
Biglerville borough	1 101	993	108	10.9
Bonneauville borough	1 378	1 282	96	7.5
Butler township	2 678	2 514	164	6.5
Carroll Valley borough	3 291	1 457	1 834	125.9
Conewago township	5 709	4 532	1 177	26.0
Cumberland township	5 718	5 431	287	5.3
East Berlin borough	1 365	1 175	190	16.2
Fairfield borough	486	524	-  38	- 7.3
Franklin township	4 590	4 126	464	11.2
Freedom township	844	692	152	22.0
Germany township	2 269	1 949	320	16.4
Gettysburg borough	7 490	7 025	465	6.6
Hamilton township	2 044	1 760	284	16.1
Hamiltonban township	2 216	1 872	344	18.4
Highland township	825	815	10	1.2
Huntington township	2 233	1 989	244	12.3
Latimore township	2 528	2 209	319	14.4
Liberty township	1 063	938	125	13.3
Littlestown borough	3 947	2 974	973	32.7
McSherrystown borough	2 691	2 769	-  78	- 2.8
Menallen township	2 974	2 700	274	10.1
Mount Joy township	3 232	2 848	384	13.5
Mount Pleasant township	4 420	4 076	344	8.4
New Oxford borough	1 696	1 617	79	4.9
Oxford township	4 876	3 437	1 439	41.9
Reading township	5 106	3 828	1 278	33.4
Straban township	4 539	4 565	-  26	- 0.6
Tyrone township	2 273	1 829	444	24.3
Union township	2 989	2 178	811	37.2
York Springs borough	574	547	27	4.9
Source: U.S. Census Bureau	Prepared by: Pennsylvania State Data Center