<page_title> Warren, Illinois </page_title> <section_title> Demographics </section_title> <table> <cell> 2000 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 1,496 <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> 1,428 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
The population was 1,428 at the 2010 census, down from 1,496 at the 2000 census in Warren.