
Oyster Bay
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 103.61
- State:
- New York
Oyster Bay town is located in Nassau County, New York. Oyster Bay town has a 2025 population of 296,528. Oyster Bay town is currently declining at a rate of -0.21% annually and its population has decreased by -1.25% since the most recent census, which recorded a population of 300,272 in 2020.
The average household income in Oyster Bay town is $210,212 with a poverty rate of 3.97%. The median age in Oyster Bay town is 44.2 years: 43.3 years for males, and 45.2 years for females.