 Waldwick is located in the 5th Congressional District and is part of New Jersey's 40th state legislative district.Prior to the 2011 reapportionment following the 2010 Census, Waldwick had been in the 39th state legislative district.As of March 23, 2011, there were a total of 6,277 registered voters in Waldwick, of which 1,429 (22.8% vs. 31.7% countywide) were registered as Democrats, 1,617 (25.8% vs. 21.1%) were registered as Republicans and 3,227 (51.4% vs. 47.1%) were registered as Unaffiliated.