Byron is located in Ogle county Illinois with a geographic area of 4.7 square miles. The total population in Byron is 3,607 with 43.2% male and 56.8% female. Children under age 5 represent 8.6% of the population, under age 18 equal 26.1% of the population and over age 65 is 14.9% of the population. The median household income is $66,607, per capita income is $30,694. There are a total of 1,509 housing units with 64.1% owner occupied. Education includes 22.5% of residents that are high school graduates and 28.4% with a bachelor's degree or higher. The average temperature in Byron in the summer is 74 degrees, and in the winter 27 degrees.