Nissequogue
- County:
- Suffolk County
- County Seat:
- No
- Area (mi²):
- 3.808
- State:
- New York
Nissequogue is a village located in Suffolk County, New York. Nissequogue has a 2026 population of 1,625. Nissequogue is currently growing at a rate of 0.81% annually and its population has increased by 1.37% since the most recent census, which recorded a population of 1,603 in 2020.