<page_title> Arcadia, California </page_title> <section_title> Demographics </section_title> <table> <cell> 2010 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 56,364 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> U.S. Decennial Census <col_header> Historical population </col_header> <col_header> Census </col_header> <col_header> Pop. </col_header> <col_header>  </col_header> <col_header> %± </col_header> </cell> </table>
In the 2010 United States Census, Arcadia had a population of 56,364.