According to the United States Census Bureau, the CDP had a total area of 1.922 square miles (4.98 km2), including 1.827 square miles (4.73 km2) of it is land and 0.096 square miles (0.25 km2) of water (4.98%) is water.[5][16]
The 2010 United States census counted 2,303 people, 931 households, and 586 families in the CDP. The population density was 1,260.7 people per square mile (486.8 people/km2). There were 1,071 housing units at an average density of 586.3 units per square mile (226.4 units/km2). The racial makeup was 91.58% (2,109) White, 0.43% (10) Black or African American, 0.43% (10) Native American, 2.52% (58) Asian, 0.00% (0) Pacific Islander, 4.17% (96) from other races, and 0.87% (20) from two or more races. Hispanic or Latino of any race were 8.25% (190) of the population.[13]
Of the 931 households, 25.5% had children under the age of 18; 46.6% were married couples living together; 11.6% had a female householder with no husband present and 37.1% were non-families. Of all households, 30.9% were made up of individuals and 19.2% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.06.[13]
20.0% of the population were under the age of 18, 8.5% from 18 to 24, 25.1% from 25 to 44, 29.2% from 45 to 64, and 17.3% who were 65 years of age or older. The median age was 42.7 years. For every 100 females, the population had 87.8 males. For every 100 females ages 18 and older there were 88.4 males.[13]
2000 census
As of the 2000 United States Census[6] there were 2,004 people, 757 households, and 555 families living in the CDP. The population density was 425.1 people/km2 (1,101 people/sq mi). There were 827 housing units at an average density of 175.4 units/km2 (454 units/sq mi). The racial makeup of the CDP was 96.86% White, 0.05% African American, 0.10% Native American, 1.45% Asian, 0.55% from other races, and 1.00% from two or more races. Hispanic or Latino of any race were 1.90% of the population.[14]
There were 757 households, out of which 30.5% had children under the age of 18 living with them, 56.4% were married couples living together, 12.8% had a female householder with no husband present, and 26.6% were non-families. 21.7% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 2.97.[14]
In the CDP the population was spread out, with 22.9% under the age of 18, 6.9% from 18 to 24, 26.8% from 25 to 44, 25.6% from 45 to 64, and 17.8% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 86.9 males. For every 100 females age 18 and over, there were 86.9 males.[14]
The median income for a household in the CDP was $59,663, and the median income for a family was $62,702. Males had a median income of $53,396 versus $24,688 for females. The per capita income for the CDP was $22,875. About 1.4% of families and 3.4% of the population were below the poverty line, including 1.7% of those under age 18 and 14.7% of those age 65 or over.[14]
St. Mary Academy, a K-8 school of the Roman Catholic Diocese of Trenton, is in Stafford Township, near Manahawkin CDP.[18][19] It is managed by St. Mary Church of Barnegat. From 1997,[20] until 2019 it operated as All Saints Regional Catholic School and was collectively managed by five churches. In 2019 St. Mary took entire control of the school, which remained on the same Manahawkin campus, and changed its name. The other churches no longer operate the school but still may send students there.[21]
^"Tuition". St. Mary Academy. Retrieved June 23, 2020. Participating parishes include: [...]400 Doc Cramer Blvd, Manahawkin, NJ 08050 - It has a Manahawkin address but is outside of the Manahawkin CDP
^Edelson, Steve. "Glenn Carson prepares for Arizona Cardinals season opener", Asbury Park Press, September 4, 2014. Accessed January 20, 2020. "Even as the congratulatory emails and text messages were pouring in on Saturday, Glenn Carson still wasn’t sure he’d actually made the Arizona Cardinals.... For many of those who were sending the Manahawkin native those voicemails and text messages during the weekend, they’ll get to see Carson play in person nine days from now, with the Cardinals headed to MetLife Stadium to take on the Giants in Week 2."
^Goldstein, Steve. "Roger 'Doc' Cramer, 85, Outfielder Who Played For Athletics, Red Sox", The Philadelphia Inquirer, September 10, 1990. Accessed July 29, 2007. "Roger Maxwell "Doc" Cramer, 85, who hit .296 during an illustrious 19- year career in baseball that began when Connie Mack signed him for the Philadelphia Athletics in 1929, died yesterday at his home in Manahawkin, N.J., after a seven-month battle with cancer."