Bellaire is located in Belmont county Ohio with a geographic area of 1.7 square miles. The total population in Bellaire is 4,057 with 52.9% male and 47.1% female. Children under age 5 represent 9.4% of the population, under age 18 equal 24.0% of the population and over age 65 is 18.7% of the population. The median household income is $29,052, per capita income is $21,448. There are a total of 1,717 housing units with 54.2% owner occupied. Education includes 41.6% of residents that are high school graduates and 4.3% with a bachelor's degree or higher. The average temperature in Bellaire in the summer is 73 degrees, and in the winter 32 degrees.