<page_title> List of the most populous counties in the United States </page_title> <section_title> List </section_title> <table> <cell> New York <col_header> County </col_header> </cell> <cell> 59.13 <col_header> Land area (km2) </col_header> </cell> <cell> 22.83 <col_header> Land area (mi2) </col_header> </cell> </table>
New York County is the United States smallest county by land area and is also one of the most densely populated U.S. counties.