Carroll is located in Fairfield county Ohio with a geographic area of 0.6 square miles. The total population in Carroll is 443 with 53.0% male and 47.0% female. Children under age 5 represent 4.3% of the population, under age 18 equal 14.2% of the population and over age 65 is 14.9% of the population. The median household income is $55,000, per capita income is $26,456. There are a total of 198 housing units with 60.6% owner occupied. Education includes 43.9% of residents that are high school graduates and 16.7% with a bachelor's degree or higher. The average temperature in Carroll in the summer is 73 degrees, and in the winter 32 degrees.