<page_title> Washington Township, Warren County, New Jersey </page_title> <section_title> Demographics </section_title> <table> <cell> 1990 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 5,367 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 2000 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 6,248 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 16.4% <col_header> Historical population </col_header> <col_header> %± </col_header> </cell> <cell> 2010 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 6,651 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 6.5% <col_header> Historical population </col_header> <col_header> %± </col_header> </cell> </table>
As of the 2010 United States Census, the Washington Township's population was 6,651, reflecting an increase of 403 (+6.5%) from the 6,248 counted in the 2000 Census, which had in turn increased by 881 (+16.4%) from the 5,367 counted in the 1990 Census.