<page_title> London, Ohio </page_title> <section_title> Demographics </section_title> <table> <cell> 1840 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 297 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
London grew, having 297 residents in 1840.