Millersburg is located in Bourbon county Kentucky with a geographic area of 0.4 square miles. The total population in Millersburg is 798 with 59.1% male and 40.9% female. Children under age 5 represent 0.3% of the population, under age 18 equal 14.3% of the population and over age 65 is 19.0% of the population. The median household income is $40,233, per capita income is $18,891. There are a total of 395 housing units with 52.2% owner occupied. Education includes 41.3% of residents that are high school graduates and 7.6% with a bachelor's degree or higher. The average temperature in Millersburg in the summer is 76 degrees, and in the winter 36 degrees.