Moriches is a hamlet (and census-designated place) in Suffolk County, New York, United States. The population was 2,319 at the 2000 census.
Moriches is served by the William Floyd School District.
The name Moriches comes from Meritces, a Native American who owned land on Moriches Neck.
One of the community's most famous businesses/landmarks was the Jurgielewicz Duck Farm founded in 1919 on the edge of the Forge River. At its peak the 65 acre farm located on the edge of the Montauk Branch of the Long Island Rail Road at one point claimed to be America's largest free-range duck operation, raising 1 million Pekins ducks a year. In 2011 it declared bankruptcy and it closed in August 2011.
Moriches is located at
40°48′10″N 72°49′21″W / 40.80278°N 72.8225°W / 40.80278; -72.8225
According to the United States Census Bureau, the CDP has a total area of 2.2 square miles (5.7 km2), of which, 2.0 square miles (5.2 km2) of it is land and 0.2 square miles (0.52 km2) of it (10.55%) is water.
As of the census of 2000, there were 2,319 people, 1,116 households, and 669 families residing in the CDP. The population density was 1,190.6 per square mile (459.2/km²). There were 1,212 housing units at an average density of 622.3/sq mi (240.0/km²). The racial makeup of the CDP was 94.91% White, 1.25% African American, 0.13% Native American, 1.81% Asian, 0.65% from other races, and 1.25% from two or more races. Hispanic or Latino of any race were 3.97% of the population.
There were 1,116 households out of which 13.9% had children under the age of 18 living with them, 52.1% were married couples living together, 5.5% had a female householder with no husband present, and 40.0% were non-families. 30.9% of all households were made up of individuals and 10.5% had someone living alone who was 65 years of age or older. The average household size was 2.05 and the average family size was 2.56.
In the CDP the population was spread out with 11.5% under the age of 18, 6.4% from 18 to 24, 31.4% from 25 to 44, 27.5% from 45 to 64, and 23.2% who were 65 years of age or older. The median age was 46 years. For every 100 females there were 100.8 males. For every 100 females age 18 and over, there were 99.8 males.
The median income for a household in the CDP was $63,672, and the median income for a family was $74,659. Males had a median income of $51,205 versus $35,950 for females. The per capita income for the CDP was $34,038. About 2.9% of families and 5.5% of the population were below the poverty line, including 6.4% of those under age 18 and 6.7% of those age 65 or over.