Barnegat, NJ has a population of 3,176 and is the 8,524th largest city in the United States. The population density is 1,178 per sq mi which is 3% lower than the New Jersey average and 1200% higher than the national average. The median age in Barnegat is 42 which is approximately 6% higher than the New Jersey average of 40. In Barnegat, 55% of the population over 15 years of age are married, 93% speak English and 3% speak Spanish. 64% of Barnegat residents were born in New Jersey, 32% were born out of state, 0% were born outside of the United States and 5% were foreign born.