<page_title> Hercules, California </page_title> <section_title> Household income, education and occupations </section_title> <table> <cell> 1970 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 252 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 1980 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 5,963 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> 1990 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 16,829 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> </table>
Per United States Census Bureau data, Hercules was a sleepy town of 252 in 1970 and grew into a town of 5,963 by 1980 which tripled again into a town of 16,829 by 1990.