Harvey Cedars is a borough in Ocean County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 337, reflecting a decline of 22 (-6.1%) from the 359 counted in the 2000 Census, which had in turn declined by 3 (-0.8%) from the 362 counted in the 1990 Census. The borough borders the Atlantic Ocean on Long Beach Island.
Harvey Cedars was incorporated as a borough by an Act of the New Jersey Legislature on December 15, 1894, from portions of Union Township (now Barnegat Township), based on the results of a referendum held on November 20, 1894.
The majority of the housing units in the borough are seasonal houses used primarily in the summer by owners who live elsewhere, bringing the summer population to approximately 2,000. The borough's quiet character and bay and ocean access make housing very expensive, with bay or oceanfront houses priced at $2 million or more. Despite the borough's small size, its property is assessed at over $1.3 billion.