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. Monrovia is also the 'Everesting' capital of Indiana.
Monrovia was laid out in 1834. 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 Frederick Wiseman documentary, Monrovia, Indiana, released in October 2018.
Monrovia is located at 39°34′46″N 86°28′49″W (39.579389, -86.480402).
According to the 2010 census, Monrovia has a total area of 1.77 square miles (4.58 km2), all land.
As of the census of 2010, there were 1,063 people, 365 households, and 288 families living in the town. The population density was 600.6 inhabitants per square mile (231.9/km2). There were 402 housing units at an average density of 227.1 per square mile (87.7/km2). 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.