<page_title> Middletown, Illinois </page_title> <section_title> Demographics </section_title> <table> <cell> 2000 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 434 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 2010 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 324 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
The population was 324 at the 2010 census and 434 in 2000.