Bayville is a city located in New York. With a 2020 population of 6,738, it is the 129th largest city in New York and the 4024th largest city in the United States. Bayville is currently declining at a rate of -0.04% annually but its population has increased by 1.03% since the most recent census, which recorded a population of 6,669 in 2010. Bayville reached it's highest population of 7,193 in 1990. Spanning over 2 miles, Bayville has a population density of 4,629 people per square mile.
The average household income in Bayville is $133,535 with a poverty rate of 4.71%. The median rental costs in recent years comes to $1,545 per month, and the median house value is $536,200. The median age in Bayville is 49.2 years, 47.6 years for males, and 51.2 years for females. For every 100 females there are 103.0 males.