 Montvale is located in the 5th Congressional District and is part of New Jersey's 39th state legislative district.As of March 23, 2011, there were a total of 5,132 registered voters in Montvale, of which 1,080 (21.0% vs. 31.7% countywide) were registered as Democrats, 1,546 (30.1% vs. 21.1%) were registered as Republicans and 2,499 (48.7% vs. 47.1%) were registered as Unaffiliated.There were 7 voters registered to other parties.