Bayville is a village located in Nassau County, in the state of New York (NY), United States. Nestled in the Middle Atlantic division of the North-east region, it covers an area of 1.4 square miles (4.0 km²) and sits at an elevation of 40 ft. With a population of approximately 7,135 residents, Bayville offers a peaceful, rural atmosphere.
The town's population is composed of about 48.94% males and 51.06% females, and it has a population density of N/A (N/A). Bayville lies at a latitude of 40.91 and a longitude of -73.56, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (3.3%), followed by English (10.1%), German (16.8%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 11709.