Baltimore is located in Fairfield county Ohio with a geographic area of 2.2 square miles. The total population in Baltimore is 3,005 with 45.4% male and 54.6% female. Children under age 5 represent 5.6% of the population, under age 18 equal 26.6% of the population and over age 65 is 16.4% of the population. The median household income is $41,424, per capita income is $22,669. There are a total of 1,227 housing units with 65.5% owner occupied. Education includes 56.6% of residents that are high school graduates and 15.8% with a bachelor's degree or higher. The average temperature in Baltimore in the summer is 73 degrees, and in the winter 32 degrees.