 As of March 23, 2011, there were a total of 15,168 registered voters in Mahwah Township, of which 3,410 (22.5% vs. 31.7% countywide) were registered as Democrats, 4,349 (28.7% vs. 21.1%) were registered as Republicans and 7,399 (48.8% vs. 47.1%) were registered as Unaffiliated.There were 10 voters registered to other parties.Among the township's 2010 Census population, 58.6% (vs. 57.1% in Bergen County) were registered to vote, including 73.1% of those ages 18 and over (vs. 73.7% countywide).