Population Change 1990-2000
County or Municipality	2000 Population	1990 Population	Population Change	Percent Change
Pennsylvania	12 281 054	11 881 643	399 411	3.4
Northampton County	267 066	247 105	19 961	8.1
Allen township	2 630	2 626	4	0.2
Bangor borough	5 319	5 383	-  64	- 1.2
Bath borough	2 678	2 358	320	13.6
Bethlehem city	52 300	52 561	-  261	- 0.5
Bethlehem township	21 171	16 425	4 746	28.9
Bushkill township	6 982	5 512	1 470	26.7
Chapman borough	234	254	-  20	- 7.9
East Allen township	4 903	4 572	331	7.2
East Bangor borough	979	1 006	-  27	- 2.7
Easton city	26 263	26 276	-  13	0.0
Forks township	8 419	5 923	2 496	42.1
Freemansburg borough	1 897	1 946	-  49	- 2.5
Glendon borough	367	391	-  24	- 6.1
Hanover township	9 563	7 176	2 387	33.3
Hellertown borough	5 606	5 662	-  56	- 1.0
Lehigh township	9 728	9 296	432	4.6
Lower Mount Bethel township	3 228	3 187	41	1.3
Lower Nazareth township	5 259	4 483	776	17.3
Lower Saucon township	9 884	8 448	1 436	17.0
Moore township	8 673	8 418	255	3.0
Nazareth borough	6 023	5 713	310	5.4
Northampton borough	9 405	8 717	688	7.9
North Catasauqua borough	2 814	2 867	-  53	- 1.8
Palmer township	16 809	14 965	1 844	12.3
Pen Argyl borough	3 615	3 492	123	3.5
Plainfield township	5 668	5 444	224	4.1
Portland borough	579	516	63	12.2
Roseto borough	1 653	1 555	98	6.3
Stockertown borough	687	641	46	7.2
Tatamy borough	930	873	57	6.5
Upper Mount Bethel township	6 063	5 476	587	10.7
Upper Nazareth township	4 426	3 413	1 013	29.7
Walnutport borough	2 043	2 055	-  12	- 0.6
Washington township	4 152	3 759	393	10.5
West Easton borough	1 152	1 163	-  11	- 0.9
Williams township	4 470	3 982	488	12.3
Wilson borough	7 682	7 830	-  148	- 1.9
Wind Gap borough	2 812	2 741	71	2.6
Source: U.S. Census Bureau	Prepared by: Pennsylvania State Data Center