Hartford is located in Ohio county Kentucky with a geographic area of 2.8 square miles. The total population in Hartford is 2,731 with 47.6% male and 52.4% female. Children under age 5 represent 4.5% of the population, under age 18 equal 21.1% of the population and over age 65 is 18.1% of the population. The median household income is $49,714, per capita income is $26,954. There are a total of 1,017 housing units with 67.0% owner occupied. Education includes 32.9% of residents that are high school graduates and 13.7% with a bachelor's degree or higher. The average temperature in Hartford in the summer is 76 degrees, and in the winter 36 degrees.