<page_title> Grant County, Oklahoma </page_title> <section_title> Demographics </section_title> <table> <cell> 2000 <col_header> Historical population </col_header> <col_header> Census </col_header> </cell> <cell> 5,144 <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> 4,527 <col_header> Historical population </col_header> <col_header> Pop. </col_header> </cell> <cell> −12.0% <col_header> Historical population </col_header> <col_header> %± </col_header> </cell> </table>
As of the 2010 census, the Grant County's population was 4,527, a 12 percent decline from 5,144, according to the 2000 census.