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12th Legislative District (New Jersey)

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Senator  Samuel D. Thompson (R)
Voting-age population  175,625
Population  235,457
12th Legislative District (New Jersey)
Assembly members  Ronald S. Dancer (R) Robert D. Clifton (R)
Registration  25.2% Democratic 25.1% Republican 49.3% unaffiliated
Demographics  80.4% White 5.2% Black/African American 0.2% Native American 8.5% Asian 0.0% Hawaiian/Pacific Islander 3.7% Other race 1.8% Two or more races 11.1% Hispanic

New Jersey's 12th Legislative District is one of 40 in the state, covering the Burlington County municipalities of Chesterfield Township, New Hanover Township, North Hanover Township and Wrightstown Borough; the Middlesex County municipality of Old Bridge Township; the Monmouth County municipalities of Allentown Borough, Englishtown Borough, Manalapan Township, Matawan Borough, Millstone Township, Roosevelt Borough and Upper Freehold Township; and the Ocean County municipalities of Jackson Township and Plumsted Township as of the 2011 apportionment.


As of the 2010 United States Census, the district had a population of 235,457, of whom 175,625 (74.6%) were of voting age. The racial makeup of the district was 189,424 (80.4%) White, 12,314 (5.2%) African American, 509 (0.2%) Native American, 20,085 (8.5%) Asian, 82 (0.0%) Pacific Islander, 8,778 (3.7%) from some other race, and 4,265 (1.8%) from two or more races. Hispanic or Latino of any race were 26,033 (11.1%) of the population. The district had 149,765 registered voters as of December 31, 2016, of whom 73,788 (49.3%) were registered as unaffiliated, 37,773 (25.2%) were registered as Democrats, 37,660 (25.1%) were registered as Republicans, and 544 (0.4%) were registered to other parties.

Political representation

The district is represented for the 2016–2017 Legislative Session (Senate, General Assembly) in the State Senate by Samuel D. Thompson (R, Old Bridge Township) and in the General Assembly by Ronald S. Dancer (R, Plumsted Township) and Robert D. Clifton (R, Matawan).


In the interim period between the 1964 Supreme Court decision Reynolds v. Sims which required the creation of state legislature districts to be made as equal in population as possible and the 1973 creation of the 40-district map, the 12th District consisted of all of Hudson County. Senators were elected at-large in the 12th District; three members of the Senate were elected in the 1965 and 1971 elections for a two-year term and four Senators were elected for the four-year term elected in the 1967 elections. From 1967 until 1971, the 12th Senate District was split into four Assembly districts with each district electing two members. For the final election held under the interim measures, the 12th Senate District was split into three Assembly districts each electing two members and an additional Assembly member elected at-large by the entire county.

The members elected to the Senate from this district are as follows:

The members elected to the Assembly from each district are as follows:

District composition since 1973

When the 40-district legislative map was created in 1973, the 12th District first included the Middlesex County townships of Monroe Township and Madison (now Old Bridge) and the northern Monmouth County municipalities of Matawan borough and township (the latter now Aberdeen), Keyport, Union Beach, Keansburg, Middletown Township, and Red Bank. For the 1981 redistricting, almost the entire district was changed, only retaining Red Bank from the previous map. It consisted of all of western Monmouth County and some boroughs of northeastern Monmouth including Tinton Falls, Rumson, and West Long Branch. In the 1991 redistricting, the total area of the district was reduced as the four panhandle municipalities of western Monmouth and some of the boroughs on the east side of the district were shifted to other districts. The district became a long, narrow district in an east-west fashion in the 2001 redistricting stretching from Oceanport through the central Monmouth townships, and continuing into East Windsor and Hightstown in Mercer County. Following the 2011 redistricting, the district boundaries experienced yet another major change when it became composed of municipalities from four counties, Burlington, Ocean, Monmouth, and Middlesex.


12th Legislative District (New Jersey) Wikipedia

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