[22] As of the 2000 census, Mantoloking was the highest-income community in the state of New Jersey with a per capita money income of $114,017 as of 1999, an increase of 29.8% from the $87,830 recorded in 1989.

[23] Based on data from the 2006–2010 American Community Survey, the borough had a per-capita income of $97,938, ranked 4th in the state.

[25] Mantoloking was incorporated as a borough by an act of the New Jersey Legislature on April 10, 1911, from portions of Brick Township.

[26] The name Mantoloking is derived from the Unami language of the Lenni Lenape Native Americans who once inhabited New Jersey.

Together with Bay Head to the north, Mantoloking is considered part of the Jersey Shore's "Gold Coast".

[32] When Hurricane Sandy made landfall in New Jersey on October 29, 2012, the effects were severe, and Mantoloking was especially hard hit, with more than 50 homes requiring demolition,[33] accounting for almost 10% of the housing units in the borough as of the 2010 Census.

[19] Verizon Communications announced in July 2013 that it won't rebuild its copper-wire based plain old telephone service to Mantoloking residents, instead providing them with its Voice Link wireless service, an effort that brought protests from the AARP.

[1][2] The borough borders the Ocean County municipalities of Bay Head, Brick Township and Point Pleasant.

The mayor can veto ordinances subject to an override by a two-thirds majority vote of the council.

[47][48] As of 2022[update], the mayor of Mantoloking is Republican E. Laurence "Lance" White III, whose term of office ends on December 31, 2022.

[3][49][50][51][52][53][54][55] The borough council appointed Barbara Benz in January 2021 to fill the seat expiring in December 2022 that was vacated by D’Arcy Green.

[60][61][62] For the 119th United States Congress, New Jersey's 4th congressional district is represented by Chris Smith (R, Manchester Township).

[65] For the 2024-2025 session, the 10th legislative district of the New Jersey Legislature is represented in the State Senate by James W. Holzapfel (R, Toms River) and in the General Assembly by Paul Kanitra (R, Point Pleasant Beach) and Gregory P. McGuckin (R, Toms River).

[72][73][74] Constitutional officers elected on a countywide basis are: Clerk Scott M. Colabella (R, 2025, Barnegat Light),[75][76] Sheriff Michael G. Mastronardy (R, 2025; Toms River)[77][78] and Surrogate Jeffrey Moran (R, 2028, Beachwood).

[82] Among the borough's 2010 Census population, 109.5% (vs. 63.2% in Ocean County) were registered to vote, including 114.1% of those ages 18 and over (vs. 82.6% countywide).

After New Jersey native Woodrow Wilson carried the borough in its inaugural election, no Democratic presidential candidate has done so again.

Prior to Trump, all of the preceding 21 Republican nominees for president from Herbert Hoover in 1932 to Mitt Romney in 2012 won Mantoloking by a margin of at least 50 points, with 14 of them earning 80% of the vote, and Thomas Dewey in 1948, Dwight Eisenhower in 1956, and Richard Nixon in 1960 and 1972 each winning 90% of the vote.

On average, the wettest month of the year is July which corresponds with the annual peak in thunderstorm activity.

The plant hardiness zone at Mantoloking Beach is 7a with an average annual extreme minimum air temperature of 3.5 °F (−15.8 °C).