Marlboro is a city located in New York. Marlboro has a 2020 population of 3,565. Marlboro is currently declining at a rate of 0.00% annually and its population has decreased by -2.83% since the most recent census, which recorded a population of 3,669 in 2010. Marlboro reached it's highest population of 3,882 in 2011.
The average household income in Marlboro is $86,166 with a poverty rate of 6.65%. The median rental costs in recent years comes to $910 per month, and the median house value is $244,300. The median age in Marlboro is 46.2 years, 46.2 years for males, and 46.2 years for females. For every 100 females there are 96.6 males.