About Sea Cliff 11579, NYSea Cliff is located in New York. Sea Cliff, New York 11579has a population of 4,975. Sea Cliff 11579 is less family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 32%. The median household income in Sea Cliff, New York 11579 is $117,081. The median household income for the surrounding county is $104,135 compared to the national median of $57,525. The median age of people living in Sea Cliff 11579 is 47.3 years. Sea Cliff WeatherThe average high temperature in July is 82.8 degrees, with an average low temperature in January of 25.4 degrees. The annual precipitation is 46.36. Sea Cliff MapSea Cliff real estate offices
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