Monrovia is a city located in California. With a 2020 population of 35,809, it is the 219th largest city in California and the 1100th largest city in the United States. Monrovia is currently declining at a rate of -0.72% annually and its population has decreased by -2.13% since the most recent census, which recorded a population of 36,590 in 2010. Monrovia reached it's highest population of 37,153 in 2015. Spanning over 14 miles, Monrovia has a population density of 2,626 people per square mile.
The average household income in Monrovia is $99,881 with a poverty rate of 7.79%. The median rental costs in recent years comes to $1,590 per month, and the median house value is $663,400. The median age in Monrovia is 40.4 years, 38.3 years for males, and 42.1 years for females. For every 100 females there are 93.9 males.