Monroeville is a town in Monroe Township, Allen County, Indiana, United States. The population was 1,235 as of the 2010 census. History Monroeville was platted in 1851. It was named from Monroe Township. A post office was established at Monroeville in 1856. Geography Monroeville is located at (40.972799, -84.868598). According to the 2010 census, Monroeville has a total area of , all land. Demographics 2010 census As of the census of 2010, there were 1,235 people, 491 households, and 309 families living in the town. The population density was . There were 529 housing units at an average density of . The racial makeup of the town was 98.9% White, 0.1% Pacific Islander, 0.4% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 1.9% of the population. There were 491 households, of which 28.9% had children under the age of 18 living with them, 45.8% were married couples living together, 12.4% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 37.1% were non-families. 32.0% of all households were made up of individuals, and 15.7% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 3.04. The median age in the town was 42.3 years. 22.2% of residents were under the age of 18; 9.4% were between the ages of 18 and 24; 22.9% were from 25 to 44; 25.7% were from 45 to 64; and 19.9% were 65 years of age or older. The gender makeup of the town was 47.1% male and 52.9% female. 2000 census As of the census of 2000, there were 1,236 people, 463 households, and 325 families living in the town. The population density was . There were 507 housing units at an average density of . The racial makeup of the town was 96.76% White, 0.16% Asian, 0.49% from other races, and 2.59% from two or more races. Hispanic or Latino of any race were 2.27% of the population. There were 463 households, out of which 37.6% had children under the age of 18 living with them, 53.6% were married couples living together, 12.1% had a female householder with no husband present, and 29.6% were non-families. 24.8% of all households were made up of individuals, and 12.1% had someone living alone who was