Fairbury is located in Jefferson county Nebraska with a geographic area of 2.5 square miles. The total population in Fairbury is 3,657 with 43.8% male and 56.2% female. Children under age 5 represent 6.2% of the population, under age 18 equal 23.1% of the population and over age 65 is 19.3% of the population. The median household income is $42,134, per capita income is $23,121. There are a total of 1,617 housing units with 60.4% owner occupied. Education includes 32.3% of residents that are high school graduates and 18.4% with a bachelor's degree or higher. The average temperature in Fairbury in the summer is 75 degrees, and in the winter 26 degrees.