Syosset 11791 Real EstateSyosset is located in New York. Syosset, New York 11791has a population of 19,347. Syosset 11791 is more family-centric than the surrounding county with 51.89% of the households containing married families with children. The county average for households married with children is 35.86%. The median household income in Syosset, New York 11791 is $165,727. The median household income for the surrounding county is $126,576 compared to the national median of $69,021. The median age of people living in Syosset 11791 is 43.2 years. Syosset WeatherThe average high temperature in July is 83.1 degrees, with an average low temperature in January of 24.5 degrees. The average rainfall is approximately 46.3 inches per year, with 24.6 inches of snow per year. Syosset MapReal estate near SyossetNearby CitiesNearby Cities Homes for Sale |