Jefferson is located in Ashtabula county Ohio with a geographic area of 2.5 square miles. The total population in Jefferson is 3,359 with 48.3% male and 51.7% female. Children under age 5 represent 3.6% of the population, under age 18 equal 27.5% of the population and over age 65 is 20.7% of the population. The median household income is $38,701, per capita income is $24,833. There are a total of 1,368 housing units with 70.0% owner occupied. Education includes 39.7% of residents that are high school graduates and 10.5% with a bachelor's degree or higher. The average temperature in Jefferson in the summer is 73 degrees, and in the winter 32 degrees.
