Rio grande is located in Cape may county New jersey with a geographic area of 2.7 square miles. The total population in Rio grande is 2,759 with 41.5% male and 58.5% female. Children under age 5 represent 5.0% of the population, under age 18 equal 19.0% of the population and over age 65 is 29.1% of the population. The median household income is $78,063, per capita income is $41,049. There are a total of 1,270 housing units with 66.7% owner occupied. Education includes 30.0% of residents that are high school graduates and 28.0% with a bachelor's degree or higher. The average temperature in Rio grande in the summer is 73 degrees, and in the winter 34 degrees.
