<page_title> Sparta Township, 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> 15,157 <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> 18,080 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 19.3% <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> 19,722 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 9.1% <col_header> Historical population </col_header> <col_header> %± </col_header> </cell> </table>
As of the 2010 United States Census, the Sparta township's population was 19,722, reflecting an increase of 1,642 (+9.1%) from the 18,080 counted in the 2000 Census, which had in turn increased by 2,923 (+19.3%) from the 15,157 counted in the 1990 Census.