Washington is located in Warren county New jersey with a geographic area of 2.0 square miles. The total population in Washington is 6,475 with 50.5% male and 49.5% female. Children under age 5 represent 5.3% of the population, under age 18 equal 23.2% of the population and over age 65 is 11.7% of the population. The median household income is $64,826, per capita income is $34,995. There are a total of 2,813 housing units with 54.0% owner occupied. Education includes 39.0% of residents that are high school graduates and 23.2% with a bachelor's degree or higher. The average temperature in Washington in the summer is 73 degrees, and in the winter 34 degrees.
