Monroeville is located in Allen county Indiana with a geographic area of 0.8 square miles. The total population in Monroeville is 1,315 with 51.6% male and 48.4% female. Children under age 5 represent 3.2% of the population, under age 18 equal 16.2% of the population and over age 65 is 17.3% of the population. The median household income is $45,434, per capita income is $24,858. There are a total of 597 housing units with 64.8% owner occupied. Education includes 57.6% of residents that are high school graduates and 8.7% with a bachelor's degree or higher. The average temperature in Monroeville in the summer is 73 degrees, and in the winter 29 degrees.