<page_title> Union County, New Jersey </page_title> <section_title> Municipalities </section_title> <table> <cell> 199,489 <col_header> Housing Units </col_header> </cell> <cell> 1,939.5 <col_header> Housing Density </col_header> </cell> </table>
There were 199,489 housing units at an average density of 1,939.5.