 Prior to the 2011 reapportionment following the 2010 Census, River Edge had been in the 39th state legislative district.As of March 23, 2011, there were a total of 6,776 registered voters in River Edge, of which 1,961 (28.9% vs. 31.7% countywide) were registered as Democrats, 1,329 (19.6% vs. 21.1%) were registered as Republicans and 3,485 (51.4% vs. 47.1%) were registered as Unaffiliated.There was one voter registered to another party.