<page_title> Delaware Township, Mercer County, Pennsylvania </page_title> <table> <cell> 2010 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 2,291 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
The population of Delaware Township was 2,291 at the 2010 census.