West jefferson is located in Madison county Ohio with a geographic area of 9.9 square miles. The total population in West jefferson is 4,413 with 47.1% male and 52.9% female. Children under age 5 represent 5.5% of the population, under age 18 equal 19.2% of the population and over age 65 is 19.8% of the population. The median household income is $57,768, per capita income is $28,382. There are a total of 1,705 housing units with 68.6% owner occupied. Education includes 43.3% of residents that are high school graduates and 17.1% with a bachelor's degree or higher. The average temperature in West jefferson in the summer is 73 degrees, and in the winter 32 degrees.