Hauppauge 11788 Real EstateHauppauge is located in New York. Hauppauge, New York 11788has a population of 19,967. Hauppauge 11788 is less family-centric than the surrounding county with 32.37% of the households containing married families with children. The county average for households married with children is 32.94%. The median household income in Hauppauge, New York 11788 is $127,789. The median household income for the surrounding county is $111,660 compared to the national median of $69,021. The median age of people living in Hauppauge 11788 is 45.2 years. Hauppauge WeatherThe average high temperature in July is 82.6 degrees, with an average low temperature in January of 23.5 degrees. The average rainfall is approximately 47.9 inches per year, with 26.2 inches of snow per year. Hauppauge MapReal estate near HauppaugeNearby CitiesNearby Cities Homes for Sale |