<page_title> Colerain Township, Lancaster County, Pennsylvania </page_title> <section_title> Demographics </section_title> <table> <cell> 2010 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 3,635 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
The population of Colerain Township was 3,635 at the 2010 census.