Copiague is a medium-sized coastal town (i.e. on the ocean, a bay, or inlet) located in the state of New York. With a population of 23,429 people and six associated neighborhoods, Copiague is the 74th largest community in New York.

Housing costs in Copiague 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.

One of the nice things about Copiague is that it is nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Because of this, visitors and locals will often go to these areas to take in the scenery or to enjoy waterfront activities.

One downside of living in Copiague is that it can take a long time to commute to work. In Copiague, the average commute to work is 30.42 minutes, which is quite a bit higher than the national average. On the other hand, local public transit is widely used in the town, so leaving the car at home and taking transit is often a viable alternative.

Although the majority of commuting trips in the town are by private automobile, Copiague is somewhat unusual for a town of its size for having a substantial number of people who use public transportation. For a lot of people, the train helps to get to and from their jobs every morning, which benefits everyone in the Copiague area by reducing both traffic and air pollution.

The population of Copiague overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Copiague, 23.63% have at least a bachelor's degree.

The per capita income in Copiague in 2022 was $41,141, which is middle income relative to New York, and upper middle income relative to the rest of the US. This equates to an annual income of $164,564 for a family of four. However, Copiague contains both very wealthy and poor people as well.

Copiague is an extremely ethnically-diverse town. The people who call Copiague home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Copiague residents report their race to be White, followed by Black or African-American. Copiague also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 41.41% of the town’s residents. Important ancestries of people in Copiague include Italian, Irish, German, Polish, and English.

Foreign born people are also an important part of Copiague's cultural character, accounting for 29.11% of the town’s population.

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