Prospect Heights Flag

Prospect Heights

County:
Cook County
County Seat:
No
Area (mi²):
4.207
State:
Illinois

Prospect Heights is a city located in Cook County, Illinois. Prospect Heights has a 2026 population of 15,353. Prospect Heights is currently declining at a rate of -0.69% annually and its population has decreased by -3.99% since the most recent census, which recorded a population of 15,991 in 2020.

The median household income in Prospect Heights is $85,008 with a poverty rate of 7.29%. The median age in Prospect Heights is 42.8 years: 41.6 years for males, and 44.9 years for females. For every 100 females there are 94.5 males.

15.4K
Total Population
3,649
Density (mi²)
-106 -0.69%
Growth

Prospect Heights Population

Prospect Heights Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202615,353-106-0.69%
202515,459-107-0.69%
202415,5661070.69%
202315,459-48-0.31%
202215,507-201-1.28%
202115,708-342-2.13%
202015,9911250.79%
201915,866-119-0.74%
201815,985-156-0.97%
201716,141-139-0.85%
201616,280-108-0.66%
201516,388-40-0.24%
201416,428170.1%
201316,411330.2%
201216,378520.32%
201116,326560.34%
201016,270140.09%
200017,0811,84212.09%
199015,2393,41628.89%
198011,82300%

Median Age

Overall: 42.8 years
Female: 44.9 years
Male: 41.6 years

Prospect Heights Adults

There are 13,010 adults, (3,051 of whom are seniors) in Prospect Heights.

Sex Ratio

Female: 8,030 (51.4%)
Male: 7,588 (48.6%)

Demographics

The racial composition of Prospect Heights includes 63.53% White, 13.76% other race, 9.03% Asian, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White9,92263.53%
Other race2,14913.76%
Two or more races2,02412.96%
Asian1,4119.03%
Black or African American970.62%
Native American150.1%
Race
Population ↓
Percentage (of total)
Other race2,14913.76%
Two or more races1,67810.74%
White1791.15%
Native American150.1%
Asian140.09%
Race
Population ↓
Percentage (of total)
White9,74362.38%
Asian1,3978.94%
Two or more races3462.22%
Black or African American970.62%

Prospect Heights Marital Status

Economics and Income Statistics

Prospect Heights ' average per capita income is $51,046. Household income levels show a median of $85,008. The poverty rate stands at 7.29%.

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$120,825-
Families$110,657$134,793
Households$85,008$110,411
Non Families$44,476$59,773

$51,046

Average Income

$85,008

Median Household Income

7.29%

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)