The Village of Great Neck Plaza is in the Town of North Hempstead. It is on the Great Neck Peninsula on the North Shore of Long Island and is often grouped together with the other hamlets and villages and referred to collectively as "Great Neck."
There were 3,603 households out of which 12.8% had children under the age of 18 living with them, 36.2% were married couples living together, 6.1% had a female householder with no husband present, and 56.1% were non-families. 51.1% of all households were made up of individuals and 23.6% had someone living alone who was 65 years of age or older. The average household size was 1.74 and the average family size was 2.54.
In the village the population was spread out with 11.6% under the age of 18, 3.9% from 18 to 24, 32.3% from 25 to 44, 22.0% from 45 to 64, and 30.3% who were 65 years of age or older. The median age was 47 years. For every 100 females there were 75.5 males. For every 100 females age 18 and over, there were 72.0 males.
The median income for a household in the village was $54,591, and the median income for a family was $70,781. Males had a median income of $51,863 versus $46,703 for females. The per capita income for the village was $42,914. About 4.1% of families and 7.1% of the population were below the poverty line, including 4.7% of those under age 18 and 12.8% of those age 65 or over.