Bohemia is a hamlet (and census-designated place) in Suffolk County, New York, United States. The population was 10,180 at the 2010 census.
It is situated along the South Shore of Long Island in the Town of Islip, approximately 30 miles from New York City.
Bohemia is located in New York at 40°46′12″N 73°6′50″W / 40.77000°N 73.11389°W / 40.77000; -73.11389 (40.770042, −73.113760).
According to the United States Census Bureau, the CDP has a total area of 8.8 square miles (23 km), of which, 8.7 square miles (23 km) of it is land and 0.04 square miles (0.10 km) of it (0.34%) is water.
As of the 2000 United States Census, there were 9,871 people, 3,326 households, and 2,554 families residing in the CDP. The population density was 1,131.3 per square mile (436.6/km²). There were 3,387 housing units at an average density of 388.2/sq mi (149.8/km²). The racial makeup of the CDP was 94.61% White, 0.86% African American, 0.05% Native American, 2.38% Asian, 0.83% from other races, and 1.27% from two or more races. Hispanic or Latino of any race were 4.41% of the population.
There were 3,326 households out of which 34.2% had children under the age of 18 living with them, 63.9% were married couples living together, 9.3% had a female householder with no husband present, and 23.2% were non-families. 18.9% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.86 and the average family size was 3.28.
In the CDP, the population was spread out with 23.2% under the age of 18, 6.6% from 18 to 24, 31.9% from 25 to 44, 25.0% from 45 to 64, and 13.4% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 98.4 males. For every 100 females age 18 and over, there were 94.7 males.
The median income for a household in the CDP was $65,308, and the median income for a family was $73,218. Males had a median income of $46,449 versus $34,403 for females. The per capita income for the CDP was $25,942. About 3.2% of families and 3.9% of the population were below the poverty line, including 3.8% of those under age 18 and 9.8% of those age 65 or over.