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 2026 population of 54,837. Mount Prospect is currently declining at a rate of -0.56% annually and its population has decreased by -3.29% since the most recent census, which recorded a population of 56,705 in 2020.

The median household income in Mount Prospect is $101,720 with a poverty rate of 6.6%. The median age in Mount Prospect is 41.1 years: 39.9 years for males, and 41.8 years for females. For every 100 females there are 96.6 males.

54.8K
Total Population
5,116
Density (mi²)
-311 -0.56%
Growth

Mount Prospect Population

Mount Prospect Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202654,837-311-0.56%
202555,148-312-0.56%
202455,4607121.3%
202354,748-179-0.33%
202254,927-724-1.3%
202155,651-1,211-2.13%
202056,7053,0465.68%
201953,659-442-0.82%
201854,101-555-1.02%
201754,656-486-0.88%
201655,142-376-0.68%
201555,518-243-0.44%
201455,7611660.3%
201355,5951810.33%
201255,4141510.27%
201155,2631810.33%
201055,0829151.69%
200056,2653,0955.82%
199053,1705361.02%
198052,63417,63950.4%
197034,99516,08985.1%
196018,90614,897371.59%
19504,0092,309135.82%
19401,70000%

Median Age

Overall: 41.1 years
Female: 41.8 years
Male: 39.9 years

Mount Prospect Adults

There are 42,767 adults, (10,371 of whom are seniors) in Mount Prospect.

Sex Ratio

Female: 28,219 (50.9%)
Male: 27,253 (49.1%)

Demographics

The racial composition of Mount Prospect includes 63.83% White, 15.45% Asian, 7.32% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White35,40863.83%
Asian8,57115.45%
Two or more races5,81510.48%
Other race4,0597.32%
Black or African American1,3712.47%
Native American2300.41%
Native Hawaiian or Pacific Islander180.03%
Race
Population ↓
Percentage (of total)
Two or more races4,4337.99%
Other race3,7816.82%
White1,5542.8%
Native American2300.41%
Native Hawaiian or Pacific Islander180.03%
Asian170.03%
Black or African American40.01%
Race
Population ↓
Percentage (of total)
White33,85461.03%
Asian8,55415.42%
Two or more races1,3822.49%
Black or African American1,3672.46%
Other race2780.5%

Mount Prospect Marital Status

Economics and Income Statistics

Mount Prospect 's average per capita income is $60,216. Household income levels show a median of $101,720. The poverty rate stands at 6.6%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$146,054-
Families$131,777$149,952
Households$101,720$124,538
Non Families$49,645$73,727

$60,216

Average Income

$101,720

Median Household Income

6.6%

Poverty Rate

Nearby Cities

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)