Monrovia is a town in Monroe Township, Morgan County, in the U.S. state of Indiana. The population was 1,063 at the 2010 census. History Monrovia was laid out in 1834, Laid after Liberia's Capital Name. The town's name is derived from Monroe Township. A post office has been in operation at Monrovia since 1834. The Lake Ditch Bridge was listed on the National Register of Historic Places in 2001. The town is the subject of the well-regarded Frederick Wiseman documentary, Monrovia, Indiana, released in October 2018. Geography Monrovia is located at (39.579389, -86.480402). According to the 2010 census, Monrovia has a total area of , all land. Demographics 2010 census As of the census of 2010, there were 1,063 people, 365 households, and 288 families living in the town. The population density was . There were 402 housing units at an average density of . The racial makeup of the town was 97.3% White, 1.4% African American, 0.1% Native American, 0.6% Asian, 0.2% from other races, and 0.5% from two or more races. Hispanic or Latino of any race were 1.2% of the population. There were 365 households, of which 47.1% had children under the age of 18 living with them, 60.5% were married couples living together, 13.4% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 21.1% were non-families. 16.4% of all households were made up of individuals, and 4.6% had someone living alone who was 65 years of age or older. The average household size was 2.91 and the average family size was 3.27. The median age in the town was 31.2 years. 31.1% of residents were under the age of 18; 8.7% were between the ages of 18 and 24; 32.3% were from 25 to 44; 21% were from 45 to 64; and 6.9% were 65 years of age or older. The gender makeup of the town was 49.3% male and 50.7% female. 2000 census As of the census of 2000, there were 628 people, 234 households, and 187 families living in the town. The population density was . There were 245 housing units at an average density of . The racial makeup of the town was 99.20% White, 0.16% from other races, and 0.64% from two or more races. Hispanic or Latino of any race were 0.96% of the population. There were 234 households, out of which