 Jack Considine was appointed in January 2012 to fill the vacant seat on the borough council expiring in December 2013 that had been held by Patrick "Bud" O'Hagan, who had taken office as mayor.Midland Park is located in the 5th Congressional District and is part of New Jersey's 40th state legislative district.As of March 23, 2011, there were a total of 4,756 registered voters in Midland Park, of which 890 (18.7% vs. 31.7% countywide) were registered as Democrats, 1,865 (39.2% vs. 21.1%) were registered as Republicans and 1,998 (42.0% vs. 47.1%) were registered as Unaffiliated.