Islandia is an incorporated village in Suffolk County, New York, United States. The population was 3,335 at the 2010 census. The Incorporated VIllage of Islandia is located in the northern part of the town of Islip.
Islandia is located at 40°48′17″N 73°10′22″W / 40.80472°N 73.17278°W / 40.80472; -73.17278 (40.804658, -73.172778).
According to the United States Census Bureau, the village has a total area of 2.2 square miles (5.7 km), all land. However, Honeysuckle Pond, in Suffolk County’s Lakeland Park, lies within the confines of the Village and therefore should be included in its geographic makeup. In the latter half of 2016 and the majority of 2017 the pond was virtually nonexistent, reduced to a muddy puddle devoid of wildlife.
As of the census of 2000, there were 3,057 people, 1,007 households, and 753 families residing in the village. The population density was 1,369.6 people per square mile (529.3/km²). There were 1,031 housing units at an average density of 461.9 per square mile (178.5/km²). The racial makeup of the village was 73.63% White, 12.30% African American, 0.13% Native American, 6.05% Asian, 0.03% Pacific Islander, 4.94% from other races, and 2.91% from two or more races. Hispanic or Latino of any race were 19.10% of the population.
There were 1,007 households out of which 35.3% had children under the age of 18 living with them, 59.8% were married couples living together, 11.1% had a female householder with no husband present, and 25.2% were non-families. 18.8% of all households were made up of individuals and 2.3% had someone living alone who was 65 years of age or older. The average household size was 3.04 and the average family size was 3.49.
In the village, the population was spread out with 24.7% under the age of 18, 6.9% from 18 to 24, 36.3% from 25 to 44, 25.1% from 45 to 64, and 7.0% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 92.3 males. For every 100 females age 18 and over, there were 88.8 males.
The median income for a household in the village was $69,519, and the median income for a family was $69,615. Males had a median income of $46,083 versus $34,261 for females. The per capita income for the village was $25,682. About 4.0% of families and 5.5% of the population were below the poverty line, including 7.1% of those under age 18 and 11.3% of those age 65 or over.
As of 2000, Islandia had the highest percentage of Turkish residents in the United States, at 2.5% of the village’s population.