Lake Hiawatha is located in New Jersey. Lake Hiawatha, New Jersey has a population of 9,987. Lake Hiawatha is less family-centric than the surrounding county with 30.65% of the households containing married families with children. The county average for households married with children is 37.96%.
The median household income in Lake Hiawatha, New Jersey is $85,757. The median household income for the surrounding county is $123,727 compared to the national median of $69,021. The median age of people living in Lake Hiawatha is 39.1 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 18.7 degrees. The average rainfall is approximately 50.4 inches per year, with 29.2 inches of snow per year.
