North Massapequa

19,152 people, 6,281 households, and 5,288 families were living in the CDP as of the 2000 census. There were 6,333.0 people per square mile (2,445.2/km2) at that density. At an average density of 2,094.1 per square mile (808.5/km2), there were 6,333 dwelling units. 97.32% of the CDP’s population was White, 0.22% African American, 0.02% Native American, 1.15% Asian, 0.55% other racial groups, and 0.74% people of two or more ethnic backgrounds. Latinos or Hispanics of any race made up 3.23% of the total population.

6,281 homes were counted, of which 36.5% included children under the age of 18, 71.9% consisted of married couples living together, 9.3% included a female householder living alone, and 15.8% were not families. Individuals made up 13.2% of all households, and 7.8% of them included a single person 65 years of age or older. 3.05 was the average size of a household, and 3.33 was the average size of a family.

The population of the CDP was dispersed, with 16.4% of people 65 years of age or older, 30.4% of people from 25 to 44, 6.2% of people from 18 to 24, and 24.4% of people under the age of 18. It was 39 years old on average. There were 93.1 men for every 100 females. There were 90.3 males for every 100 girls over the age of 18.

In the CDP, the median income for a family was $76,958 and the median income for a household was $70,825. The median income for men was $54,754 while it was $35,859 for women. In the CDP, the per capita income was $25,957. 2.9% of people and 1.5% of households were living in poverty; this group included 2.4% of people under the age of 18 and 3.0% of people 65 and older.

North Massapequa, like the other Massapequas, is mostly an Italian American community, with close to 50% of its citizens identifying as Italian.