Mount Prospect is a city located in Illinois. With a 2020 population of 53,322, it is the 26th largest city in Illinois and the 740th largest city in the United States. Mount Prospect is currently declining at a rate of -0.74% annually and its population has decreased by -1.56% since the most recent census, which recorded a population of 54,167 in 2010. Mount Prospect reached it's highest population of 56,265 in 2000. Spanning over 11 miles, Mount Prospect has a population density of 4,974 people per square mile.
The average household income in Mount Prospect is $102,630 with a poverty rate of 6.73%. The median rental costs in recent years comes to $1,132 per month, and the median house value is $330,200. The median age in Mount Prospect is 40.4 years, 38.8 years for males, and 41.6 years for females. For every 100 females there are 97.4 males.