Leonia is located in New Jersey. Leonia, New Jersey has a population of 9,283. Leonia is more family-centric than the surrounding county with 37.6% of the households containing married families with children. The county average for households married with children is 35.18%.
The median household income in Leonia, New Jersey is $102,381. The median household income for the surrounding county is $109,497 compared to the national median of $69,021. The median age of people living in Leonia is 46.1 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 25.5 degrees. The average rainfall is approximately 48.8 inches per year, with 26.1 inches of snow per year.