Stewart Manor is a village in Nassau County, New York in the United States. The population was 1,896 at the 2010 census.
Stewart Manor is located at 40°43′14″N 73°41′07″W / 40.720578°N 73.685177°W / 40.720578; -73.685177 (40.720578, -73.685177).
According to the United States Census Bureau, the village has a total area of 0.2 square miles (0.52 km), all of it land.
The village is east of the Village of Floral Park, south of the Village of New Hyde Park, and west of Franklin Square, and the Village of Garden City.
As of the census of 2000, there were 1,935 people, 718 households, and 564 families residing in the village. The population density was 9,784.9 people per square mile (3,735.5/km). There were 726 housing units at an average density of 3,671.2 per square mile (1,401.6/km). The racial makeup of the village was 93.28% White, 1.76% African American, 1.91% Asian, 1.45% from other races, and 1.60% from two or more races. Hispanic or Latino of any race were 4.03% of the population.
There were 718 households out of which 32.2% had children under the age of 18 living with them, 64.1% were married couples living together, 12.0% had a female householder with no husband present, and 21.4% were non-families. 19.4% of all households were made up of individuals and 10.6% had someone living alone who was 65 years of age or older. The average household size was 2.69 and the average family size was 3.10.
In the village, the population was spread out with 23.2% under the age of 18, 6.8% from 18 to 24, 28.6% from 25 to 44, 25.4% from 45 to 64, and 16.0% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 84.8 males. For every 100 females age 18 and over, there were 81.6 males.
The median income for a household in the village was $84,913, and the median income for a family was $97,922. Males had a median income of $67,031 versus $41,042 for females. The per capita income for the village was $35,371. About 1.9% of families and 2.6% of the population were below the poverty line, including 3.2% of those under age 18 and 3.9% of those age 65 or over.