Monrovia is a city located in California. With a 2020 population of 36,371, it is the 218th largest city in California and the 1080th largest city in the United States. Monrovia is currently declining at a rate of -0.47% annually and its population has decreased by -0.60% since the most recent census, which recorded a population of 36,590 in 2010. Monrovia reached it's highest population of 37,202 in 2015. Spanning over 14 miles, Monrovia has a population density of 2,668 people per square mile.
The average household income in Monrovia is $102,063 with a poverty rate of 7.89%. The median rental costs in recent years comes to $1,469 per month, and the median house value is $634,300. The median age in Monrovia is 40 years, 38.7 years for males, and 41.1 years for females. For every 100 females there are 95.9 males.