Butler is located in the 11th Congressional District[REF] and is part of New Jersey's 26th state legislative district [REF].
As of March 23, 2011, there were a total of 4,551 registered voters in Butler, of which 863 (19.0%) were registered as Democrats, 1,458 (32.0%) were registered as Republicans and 2,224 (48.9%) were registered as Unaffiliated.