<page_title> Union County, New Jersey </page_title> <section_title> Municipalities </section_title> <table> <cell> county <col_header> Municipal type </col_header> </cell> <cell> 105.40 <col_header> Total Area </col_header> </cell> <cell> 2.55 <col_header> Water Area </col_header> </cell> </table>
According to the 2010 Census, the county had a total area of 105.40 square miles and 2.55 square miles of water.