New Jersey's 25th Legislative District is one of 40 in the New Jersey Legislature. As of the 2011 apportionment, the district includes the Morris County municipalities of Boonton Town, Boonton Township, Chester Borough, Chester Township, Denville Township, Dover Town, Mendham Borough, Mendham Township, Mine Hill Township, Morris Township, Morristown Town, Mount Arlington Borough, Mountain Lakes Borough, Netcong Borough, Randolph Township, Rockaway Borough, Roxbury Township, Victory Gardens Borough, Washington Township and Wharton Borough; and the Somerset County municipality of Bernardsville Borough.