The borough is a Jersey Shore community situated on the Barnegat Peninsula, also known as Barnegat Bay Island, a long, narrow barrier island that separates Barnegat Bay from the Atlantic Ocean. Various meanings have been attributed to the community's name including 'frog ground' or 'sand place'. The name Mantoloking is derived from the Unami language of the Lenni Lenape Native Americans who once inhabited New Jersey. Mantoloking was incorporated as a borough by an act of the New Jersey Legislature on April 10, 1911, from portions of Brick Township. In the Forbes magazine 2012 rankings of 'America's Most Expensive ZIP Codes', the borough was ranked 139th, with a median price of $1,403,349. 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.

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.

Is mantoloking nj under brick township