Population Demographics
As of 2026 the population of Monrovia, IN is 2,319. The population is expected to grow to 2,553 by 2031 - a growth rate of 1.94%.
The median age of Monrovia, IN residents is 36.
The diversity index of Monrovia, IN is 27.5, meaning that there is a 28% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.