 Prior to the 2011 reapportionment following the 2010 Census, Rochelle Park had been in the 37th state legislative district.As of March 23, 2011, there were a total of 3,376 registered voters in Rochelle Park Township, of which 895 (26.5% vs. 31.7% countywide) were registered as Democrats, 693 (20.5% vs. 21.1%) were registered as Republicans and 1,784 (52.8% vs. 47.1%) were registered as Unaffiliated.There were 4 voters registered to other parties.