Wyandanch is a somewhat small town located in the state of New York. With a population of 12,990 people and five associated neighborhoods, Wyandanch is the 150th largest community in New York.

Housing costs in Wyandanch are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in New York.

Despite being a small town, Wyandanch has a lot of people using the bus to get to and from work every day. Most of these people on the bus are using it to get to good jobs in other cities.

The percentage of adults in Wyandanch with college degrees is slightly lower than the national average of 21.84% for all communities. 14.61% of adults in Wyandanch have a bachelor's degree or advanced degree.

The per capita income in Wyandanch in 2022 was $29,050, which is low income relative to New York, and lower middle income relative to the rest of the US. This equates to an annual income of $116,200 for a family of four. However, Wyandanch contains both very wealthy and poor people as well.

Wyandanch is an extremely ethnically-diverse town. The people who call Wyandanch home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Wyandanch residents report their race to be Black or African-American, followed by White. Wyandanch also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 38.48% of the town’s residents. Important ancestries of people in Wyandanch include Jamaican, Haitian, Guyanese, Polish, and African.

Wyandanch also has a high percentage of its population that was born in another country: 27.28%.

The most common language spoken in Wyandanch is English. Other important languages spoken here include Spanish and French.