Newbern is located in Dyer county Tennessee with a geographic area of 4.5 square miles. The total population in Newbern is 3,293 with 49.4% male and 50.6% female. Children under age 5 represent 9.5% of the population, under age 18 equal 28.7% of the population and over age 65 is 13.1% of the population. The median household income is $39,572, per capita income is $21,163. There are a total of 1,311 housing units with 58.8% owner occupied. Education includes 25.6% of residents that are high school graduates and 9.3% with a bachelor's degree or higher. The average temperature in Newbern in the summer is 77 degrees, and in the winter 38 degrees.