Hillsdale is located in Bergen county New jersey with a geographic area of 2.9 square miles. The total population in Hillsdale is 10,317 with 47.8% male and 52.2% female. Children under age 5 represent 6.4% of the population, under age 18 equal 22.7% of the population and over age 65 is 15.6% of the population. The median household income is $155,762, per capita income is $57,825. There are a total of 3,469 housing units with 88.1% owner occupied. Education includes 13.8% of residents that are high school graduates and 62.3% with a bachelor's degree or higher. The average temperature in Hillsdale in the summer is 73 degrees, and in the winter 34 degrees.
