<page_title> Monmouth County, New Jersey </page_title> <section_title> Demographics </section_title> <table> <cell> 2000 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 615,301 <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> 630,380 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> Est. 2017 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 626,351 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> −0.6% <col_header> Historical population </col_header> <col_header> %± </col_header> </cell> </table>
As of the 2017 Census estimate, the Monmouth County's population was 626,351, representing a decrease of 0.6% from the 2010 Census, when the population was enumerated at 630,380, in turn an increase from 615,301 in the 2000 Census.