Ridgefield is located in Bergen county New jersey with a geographic area of 2.5 square miles. The total population in Ridgefield is 11,209 with 47.9% male and 52.1% female. Children under age 5 represent 3.3% of the population, under age 18 equal 18.2% of the population and over age 65 is 12.6% of the population. The median household income is $79,696, per capita income is $38,362. There are a total of 3,865 housing units with 46.6% owner occupied. Education includes 30.6% of residents that are high school graduates and 41.5% with a bachelor's degree or higher. The average temperature in Ridgefield in the summer is 73 degrees, and in the winter 34 degrees.