Exeter is located in Fillmore county Nebraska with a geographic area of 0.6 square miles. The total population in Exeter is 562 with 52.5% male and 47.5% female. Children under age 5 represent 2.3% of the population, under age 18 equal 13.0% of the population and over age 65 is 23.1% of the population. The median household income is $55,179, per capita income is $45,882. There are a total of 302 housing units with 78.8% owner occupied. Education includes 22.8% of residents that are high school graduates and 28.5% with a bachelor's degree or higher. The average temperature in Exeter in the summer is 72 degrees, and in the winter 26 degrees.