E Yaphank is located in New York. E Yaphank, New York has a population of 14,029.
The median household income in E Yaphank, New York is $101,437. 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 E Yaphank is 39 years.
The average high temperature in July is 82.4 degrees, with an average low temperature in January of 22.8 degrees. The average rainfall is approximately 47.8 inches per year, with 28.5 inches of snow per year.
