Leonia is located in Bergen county New jersey with a geographic area of 1.5 square miles. The total population in Leonia is 9,059 with 46.9% male and 53.1% female. Children under age 5 represent 5.9% of the population, under age 18 equal 22.4% of the population and over age 65 is 18.6% of the population. The median household income is $96,468, per capita income is $52,972. There are a total of 3,344 housing units with 63.7% owner occupied. Education includes 14.4% of residents that are high school graduates and 57.7% with a bachelor's degree or higher. The average temperature in Leonia in the summer is 73 degrees, and in the winter 34 degrees.
