Thomaston is a village in eastern Great Neck in Nassau County, New York in the United States. The population was 2,617 at the 2010 census.
As of the census of 2000, there were 2,607 people, 973 households, and 724 families residing in the village. The population density was 6,247.9 people per square mile (2,396.6/km). There were 1,000 housing units at an average density of 2,396.6 per square mile (919.3/km). The racial makeup of the village was 81.09% White, 0.84% African American, 0.04% Native American, 13.69% Asian, 0.23% Pacific Islander, 2.38% from other races, and 1.73% from two or more races. Hispanic or Latino of any race were 7.94% of the population.
There were 973 households out of which 34.3% had children under the age of 18 living with them, 65.1% were married couples living together, 6.9% had a female householder with no husband present, and 25.5% were non-families. 21.5% of all households were made up of individuals and 11.0% had someone living alone who was 65 years of age or older. The average household size was 2.67 and the average family size was 3.12.
In the village, the population was spread out with 23.4% under the age of 18, 4.6% from 18 to 24, 27.2% from 25 to 44, 27.4% from 45 to 64, and 17.3% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 91.7 males. For every 100 females age 18 and over, there were 89.0 males.
The median income for a household in the village was $92,706, and the median income for a family was $110,502. Males had a median income of $72,656 versus $49,474 for females. The per capita income for the village was $44,760. About 2.7% of families and 4.4% of the population were below the poverty line, including 2.3% of those under age 18 and 6.8% of those age 65 or over.
Thomaston New York neighborhoods include: Avalon in the Pines, Cheryl Jean Plus, East Thomaston, Hannah’s Mill, Johnston Heights, Overlook, Springdale-Magnolia Drive, Sunny Side Road/Crest, W County Rd, Wynnbrook