Lake Success is a city located in New York. With a 2020 population of 3,187, it is the 227th largest city in New York and the 6055th largest city in the United States. Lake Success is currently growing at a rate of 0.82% annually and its population has increased by 8.62% since the most recent census, which recorded a population of 2,934 in 2010. Lake Success reached it's highest population of 3,254 in 1970. Spanning over 2 miles, Lake Success has a population density of 1,729 people per square mile.
The average household income in Lake Success is $272,334 with a poverty rate of 3.49%. The median rental costs in recent years comes to $3,500 per month, and the median house value is $1.19 Mn. The median age in Lake Success is 50.7 years, 50.6 years for males, and 50.7 years for females. For every 100 females there are 98.6 males.