Marlboro 12542 Real EstateMarlboro is located in New York. Marlboro, New York 12542has a population of 3,758. Marlboro 12542 is less family-centric than the surrounding county with 21.88% of the households containing married families with children. The county average for households married with children is 25.39%. The median household income in Marlboro, New York 12542 is $94,904. The median household income for the surrounding county is $71,040 compared to the national median of $69,021. The median age of people living in Marlboro 12542 is 50.2 years. Marlboro WeatherThe average high temperature in July is 83.7 degrees, with an average low temperature in January of 16.2 degrees. The average rainfall is approximately 45.3 inches per year, with 36.9 inches of snow per year. Marlboro MapReal estate near MarlboroNearby CitiesNearby Cities Homes for Sale |