<page_title> Hackettstown, 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> 8,120 <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> 10,403 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 28.1% <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> 9,724 <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 Census, the population of Hackettstown was 9,724, reflecting a decline of 679 (-6.5%) from the 10,403 counted in the 2000 Census, which had in turn increased by 2,283 (+28.1%) from the 8,120 counted in the 1990 Census.