Barnegat is an unincorporated community and census-designated place (CDP)[10] located within Barnegat Township, in Ocean County, in the U.S. state of New Jersey.

[6][15] The 2010 United States census counted 2,817 people, 1,019 households, and 733 families in the CDP.

The racial makeup was 92.26% (2,599) White, 2.63% (74) Black or African American, 0.00% (0) Native American, 2.24% (63) Asian, 0.04% (1) Pacific Islander, 0.85% (24) from other races, and 1.99% (56) from two or more races.

Of all households, 21.0% were made up of individuals and 4.8% had someone living alone who was 65 years of age or older.

[14] As of the 2000 United States census[7] there were 1,690 people, 595 households, and 443 families living in the CDP.

18.8% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older.