Sylvan Beach is a city located in New York. With a 2020 population of 872, it is the 445th largest city in New York and the 10898th largest city in the United States. Sylvan Beach is currently declining at a rate of -0.23% annually and its population has decreased by -2.79% since the most recent census, which recorded a population of 897 in 2010. Sylvan Beach reached it's highest population of 896 in 2010. Spanning over 1 miles, Sylvan Beach has a population density of 1,270 people per square mile.
The average household income in Sylvan Beach is $53,556 with a poverty rate of 9.86%. The median rental costs in recent years comes to $1,078 per month, and the median house value is $95,600. The median age in Sylvan Beach is 52.3 years, 52 years for males, and 52.3 years for females. For every 100 females there are 92.6 males.