<page_title> West Manchester Township, York County, Pennsylvania </page_title> <table> <cell> 2010 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 18,894 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
The population was 18,894 at the 2010 census.