Hillsboro is located in Jefferson county Missouri with a geographic area of 3.8 square miles. The total population in Hillsboro is 3,251 with 53.3% male and 46.7% female. Children under age 5 represent 8.0% of the population, under age 18 equal 26.0% of the population and over age 65 is 10.5% of the population. The median household income is $56,789, per capita income is $21,885. There are a total of 975 housing units with 62.1% owner occupied. Education includes 29.5% of residents that are high school graduates and 22.3% with a bachelor's degree or higher. The average temperature in Hillsboro in the summer is 74 degrees, and in the winter 32 degrees.
