The ZIP code 11733 in East Setauket, New York, has experienced fluctuations in population and population density over the past decade. The population peaked in 2010 at 19,811 and has since declined to 18,015 in 2022. Despite this decline, the population density remains relatively high, with 1,449.32 people per square mile in 2022.

Based on the population density, this area can be classified as suburban, falling within the range of 1,000 to 3,000 people per square mile. Suburban areas are typically characterized by a mix of residential types, including single-family homes and denser developments, with lot sizes varying from 0.25 to 1 acre. The estimated housing units corresponding to the 2022 population is 6,902, considering the national average household size of 2.61.

The lifestyle in suburban areas like East Setauket is often family-oriented, with good access to schools, parks, and shopping centers. These areas promote an active community life through sports leagues, homeowners associations, and local festivals. The proximity to amenities and services, combined with the relative spaciousness of living areas, makes suburban living appealing to many families.