Port republic is located in Atlantic county New jersey with a geographic area of 7.5 square miles. The total population in Port republic is 1,127 with 46.5% male and 53.5% female. Children under age 5 represent 2.4% of the population, under age 18 equal 15.4% of the population and over age 65 is 22.0% of the population. The median household income is $141,250, per capita income is $60,577. There are a total of 452 housing units with 94.7% owner occupied. Education includes 13.7% of residents that are high school graduates and 36.3% with a bachelor's degree or higher. The average temperature in Port republic in the summer is 73 degrees, and in the winter 34 degrees.