Lake Hiawatha is located in New Jersey. Lake Hiawatha, New Jersey has a population of 9,308. Lake Hiawatha is less family-centric than the surrounding county with 31% households with children. The county percentage for households with children is 31%.
The median household income in Lake Hiawatha, New Jersey is $94,788. The median household income for the surrounding county is $118,534 compared to the national median of $66,222. The median age of people living in Lake Hiawatha is 41.8 years.
The average high temperature in July is 84.5 degrees, with an average low temperature in January of 18.7 degrees. The annual precipitation is 50.94.