<page_title> Worcester County, Massachusetts </page_title> <section_title> Demographics </section_title> <table> <cell> 1990 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 709,705 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
In 1990, Worcester County had a population of 709,705.