Mount Prospect Flag

Mount Prospect

County:
Cook County
County Seat:
No
Area (mi²):
10.719
State:
Illinois

Mount Prospect is a village located in Cook County, Illinois. Mount Prospect has a 2025 population of 55,148 . Mount Prospect is currently declining at a rate of -0.56% annually and its population has decreased by -2.75% since the most recent census, which recorded a population of 56,705 in 2020.

The average household income in Mount Prospect is $120,998 with a poverty rate of 5.95%. The median age in Mount Prospect is 41.7 years: 40.6 years for males, and 43.4 years for females. For every 100 females there are 100.3 males.

55.1K
Total Population
5,145
Density (mi²)
-312 -0.56%
Growth

Mount Prospect Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)