2020 census

2010 census

The 2010 United States census counted 15,311 people, 5,059 households, and 4,285 families in the township. The population density was 782.5 per square mile (302.1/km²). There were 5,258 housing units at an average density of 268.7 per square mile (103.7/km²). The racial makeup was 80.94% (12,392) White, 1.52% (233) Black or African American, 0.05% (7) Native American, 15.07% (2,307) Asian, 0.10% (15) Pacific Islander, 0.64% (98) from other races, and 1.69% (259) from two or more races. Hispanic or Latino of any race were 5.36% (820) of the population.^[18]

Of the 5,059 households, 42.7% had children under the age of 18; 75.8% were married couples living together; 6.6% had a female householder with no husband present and 15.3% were non-families. Of all households, 12.7% were made up of individuals and 6.4% had someone living alone who was 65 years of age or older. The average household size was 3.01 and the average family size was 3.30.^[18]

27.8% of the population were under the age of 18, 5.9% from 18 to 24, 18.5% from 25 to 44, 34.4% from 45 to 64, and 13.4% who were 65 years of age or older. The median age was 43.8 years. For every 100 females, the population had 95.5 males. For every 100 females ages 18 and older there were 94.1 males.^[18]

The Census Bureau's 2006–2010 American Community Survey showed that (in 2010 inflation-adjusted dollars) median household income was $135,143 (with a margin of error of +/− $23,156) and the median family income was $162,083 (+/− $17,221). Males had a median income of $115,875 (+/− $15,861) versus $68,450 (+/− $13,300) for females. The per capita income for the township was $71,469 (+/− $6,664). About 0.8% of families and 0.9% of the population were below the poverty line, including 0.8% of those under age 18 and none of those age 65 or over.^[48]

2000 census

As of the 2000 United States census^[15] there were 14,259 people, 4,629 households, and 3,939 families residing in the township. The population density was 725.0 inhabitants per square mile (279.9/km²). There were 4,718 housing units at an average density of 239.9 per square mile (92.6/km²). The racial makeup of the township was 86.28% White, 1.26% African American, 0.04% Native American, 10.67% Asian, 0.06% Pacific Islander, 0.41% from other races, and 1.28% from two or more races. Hispanic or Latino of any race were 3.19% of the population.^[43][44]

There were 4,629 households, out of which 45.3% had children under the age of 18 living with them, 78.3% were married couples living together, 4.8% had a female householder with no husband present, and 14.9% were non-families. 12.2% of all households were made up of individuals, and 5.0% had someone living alone who was 65 years of age or older. The average household size was 3.05 and the average family size was 3.33.^[43][44]

In the township the population was spread out, with 29.7% under the age of 18, 4.6% from 18 to 24, 27.5% from 25 to 44, 27.0% from 45 to 64, and 11.2% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 99.1 males. For every 100 females age 18 and over, there were 95.6 males.^[43][44]

The median income for a household in the township was $103,677, and the median income for a family was $121,264. Males had a median income of $80,231 versus $46,356 for females. The per capita income for the township was $49,475. About 0.7% of families and 2.1% of the population were below the poverty line, including 1.4% of those under age 18 and 1.5% of those age 65 or over.^[43][44]

Local government

Warren Township is governed under the Township form of New Jersey municipal government, one of 141 municipalities (of the 564) statewide that use this form, the second-most commonly used form of government in the state.^[52] The Township Committee is comprised of five members, who are elected directly by the voters at-large in partisan elections to serve three-year terms of office on a staggered basis, with either one or two seats coming up for election each year as part of the November general election in a three-year cycle.^[3][53] At an annual reorganization meeting held in the first week of January, the Township Committee selects one of its members to serve as Mayor. Township Committee meetings are held at the municipal building on Thursdays.^[4]

As of 2022^[update], Township Committee members are Mayor Victor J. Sordillo (R, term on committee ends December 31, 2024; term as mayor ends 2022), Deputy Mayor Gary P. DiNardo (R, term on committee ends 2024; term as deputy mayor ends 2022), George K. Lazo (R, 2023), Jolanta Maziarz (R, 2022) and Michael C. "Mick" Marion (R, 2023).^{[4][54][55][56][57][58]}

Former Township Committee member Frank Salvato, re-elected in 2008, served until his death in 2011 at the age of 98, having been first elected to the Committee in the 1938 and served as mayor in 1939, the township's youngest.^[59]

In 1975, the Township Committee created the position of Township Administrator, to serve a one-year term beginning in July of each year. The Township Administrator is Mark M. Krane, who has served in that post since 1986.^[6]

The Historical Sites Committee was formed in 1971 and members are appointed by the governing body to administer municipally owned historic landmarks. The historical landmarks they have protected are the Mount Bethel Baptist Meetinghouse, the Kirch–Ford House, and two small family cemeteries. The Meetinghouse and the Kirch–Ford House are listed on the National Register of Historic Places.

Federal, state and county representation

Warren Township is located in the 7th Congressional District^[60] and is part of New Jersey's 21st state legislative district.^[61][62][63]

For the 118th United States Congress, New Jersey's 7th congressional district is represented by Thomas Kean Jr. (R, Westfield).^[64] New Jersey is represented in the United States Senate by Democrats Cory Booker (Newark, term ends 2027)^[65] and Bob Menendez (Englewood Cliffs, term ends 2025).^[66][67]

For the 2024-2025 session, the 21st legislative district of the New Jersey Legislature is represented in the State Senate by Jon Bramnick (R, Westfield) and in the General Assembly by Michele Matsikoudis (R, New Providence) and Nancy Munoz (R, Summit).^[68]

Somerset County is governed by a five-member Board of County Commissioners, whose members are elected at-large to three-year terms of office on a staggered basis, with one or two seats coming up for election each year. At an annual reorganization meeting held on the first Friday of January, the board selects a Director and deputy director from among its members.^[69] As of 2024^[update], Somerset County's County Commissioners are:

Director Shanel Robinson (D, Franklin Township, 2024),^[70] Melonie Marano (D, Green Brook Township, 2025),^[71] Paul Drake (D, Hillsborough Township, 2026),^[72] Douglas Singleterry (D, North Plainfield, 2026)^[73] and Deputy Director Sara Sooy (D, Bernards Township, 2024).^{[74][75][76][77][78]}

Constitutional officers, elected on a countywide basis are: Clerk Steve Peter (D, Somerville, 2027),^[79][80] Sheriff Darrin Russo (D, Franklin Township, 2025)^[81][82] and Surrogate Bernice "Tina" Jalloh (D, Franklin Township, 2025)^[83][84][77]

Politics

As of March 23, 2011, there were a total of 10,466 registered voters in Warren Township, of which 1,875 (17.9% vs. 26.0% countywide) were registered as Democrats, 3,484 (33.3% vs. 25.7%) were registered as Republicans and 5,102 (48.7% vs. 48.2%) were registered as Unaffiliated. There were 5 voters registered as Libertarians or Greens.^[85] Among the township's 2010 Census population, 68.4% (vs. 60.4% in Somerset County) were registered to vote, including 94.7% of those ages 18 and over (vs. 80.4% countywide).^[85][86]

In the 2016 presidential election, Republican Donald Trump received 53.1% of the vote (4,483 cast), ahead of Democrat Hillary Clinton with 43.3% (3,656 votes), and other candidates received 3.6% (305 votes). A total of 8,444 ballots were cast. In the 2012 presidential election, Republican Mitt Romney received 63.0% of the vote (4,605 cast), ahead of Democrat Barack Obama with 36.1% (2,636 votes), and other candidates with 1.0% (70 votes), among the 7,351 ballots cast by the township's 11,286 registered voters (40 ballots were spoiled), for a turnout of 65.1%.^[87][88] In the 2008 presidential election, Republican John McCain received 4,813 votes (58.5% vs. 46.1% countywide), ahead of Democrat Barack Obama with 3,259 votes (39.6% vs. 52.1%) and other candidates with 88 votes (1.1% vs. 1.1%), among the 8,222 ballots cast by the township's 10,367 registered voters, for a turnout of 79.3% (vs. 78.7% in Somerset County).^[89] In the 2004 presidential election, Republican George W. Bush received 4,761 votes (60.5% vs. 51.5% countywide), ahead of Democrat John Kerry with 2,988 votes (38.0% vs. 47.2%) and other candidates with 65 votes (0.8% vs. 0.9%), among the 7,866 ballots cast by the township's 9,375 registered voters, for a turnout of 83.9% (vs. 81.7% in the whole county).^[90]

In the 2013 gubernatorial election, Republican Chris Christie received 77.8% of the vote (3,421 cast), ahead of Democrat Barbara Buono with 20.5% (899 votes), and other candidates with 1.7% (75 votes), among the 4,444 ballots cast by the township's 11,430 registered voters (49 ballots were spoiled), for a turnout of 38.9%.^[91][92] In the 2009 gubernatorial election, Republican Chris Christie received 3,782 votes (67.2% vs. 55.8% countywide), ahead of Democrat Jon Corzine with 1,355 votes (24.1% vs. 34.1%), Independent Chris Daggett with 433 votes (7.7% vs. 8.7%) and other candidates with 30 votes (0.5% vs. 0.7%), among the 5,632 ballots cast by the township's 10,420 registered voters, yielding a 54.0% turnout (vs. 52.5% in the county).^[93]