Manasquan is a borough in Monmouth County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 5,897 reflecting a decline of 413 (-6.5%) from the 6,310 counted in the 2000 Census, which had in turn increased by 941 (+17.5%) from the 5,369 counted in the 1990 Census.
The borough's name is of Lenape origin, "Man-A-Squaw-Han", meaning "stream of the island of squaws".Manasquan, Maniquan, Mannisquan, Manasquam, Squan, and Squan Village are variations on the original pronunciation and spelling. The meaning has also been interpreted as "an island with enclosure for squans."
Manasquan was formed as a borough by an act of the New Jersey Legislature on December 30, 1887, from portions of Wall Township, based on the results of a referendum held the previous day.
New Jersey Monthly magazine ranked Manasquan as its 22nd best place to live in its 2008 rankings of the "Best Places To Live" in New Jersey.