<page_title> List of the most populous counties in the United States </page_title> <section_title> List </section_title> <table> <cell> Los Angeles <col_header> County </col_header> </cell> <cell> California <col_header> State </col_header> </cell> <cell> 2 <col_header> Rank </col_header> </cell> <cell> Cook <col_header> County </col_header> </cell> <cell> Illinois <col_header> State </col_header> </cell> </table>
Cook County is the second-most populous county in the United States after Los Angeles County, California.