Hicksville is a hamlet and census-designated place (CDP) located within the Town of Oyster Bay in Nassau County, New York, United States, on Long Island. The population of the CDP was 41,547 at the 2010 census.According to the United States Census Bureau, the CDP has a total area of 6.8 square miles (18 km2), of which, 6.8 square miles (18 km2) of it is land and 0.15% is water.
Valentine Hicks, son-in-law of nationally famous abolitionist and Quakerpreacher Elias Hicks, and eventual president of the Long Island Rail Road bought land in the village in 1834 and turned it into a station stop on the LIRR in 1837. The station became a depot for produce, particularly cucumbers for a Heinz Company plant. After a blight destroyed the cucumber crops, the farmers grew potatoes. It turned into a bustling New York City suburb in the building boom followingWorld War II.