
Merrick
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 3.725
- State:
- New York
Merrick is a CDP located in Nassau County, New York. Merrick has a 2025 population of 20,731. Merrick is currently declining at a rate of -0.44% annually but its population has increased by 0.67% since the most recent census, which recorded a population of 20,594 in 2020.
The average household income in Merrick is $210,133 with a poverty rate of 2.6%. The median age in Merrick is 41.6 years: 40.6 years for males, and 42.6 years for females.