Interlaken is located in New Jersey. Interlaken, New Jersey has a population of 759. Interlaken is less family-centric than the surrounding county with 16% of the households containing married families with children. The county average for households married with children is 34%.
The median household income in Interlaken, New Jersey is $143,125. The median household income for the surrounding county is $110,356 compared to the national median of $69,021. The median age of people living in Interlaken is 59.3 years.
The average high temperature in July is 83.6 degrees, with an average low temperature in January of 24.3 degrees. The average rainfall is approximately 47.5 inches per year, with 24.6 inches of snow per year.