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 2025 population of 15,459 . Prospect Heights is currently declining at a rate of -0.69% annually and its population has decreased by -3.33% since the most recent census, which recorded a population of 15,991 in 2020.

The average household income in Prospect Heights is $114,693 with a poverty rate of 5.88%. The median age in Prospect Heights is 41 years: 38.9 years for males, and 41.8 years for females. For every 100 females there are 95.8 males.

15.5K
Total Population
3,675
Density (mi²)
-107 -0.69%
Growth

Prospect Heights Population

Prospect Heights Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Prospect Heights includes 62.2% White, 20.52% other race, 7.24% Asian, and smaller percentages for Black or African American and multiracial populations.

Population by Race

White (62.2%)

Other race (20.52%)

Two or more races (9.59%)

Asian (7.24%)

Black or African American (0.45%)

Race
Population
Percentage (of total)
White9,75462.2%
Other race3,21720.52%
Two or more races1,5049.59%
Asian1,1367.24%
Black or African American700.45%

Prospect Heights Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Prospect Heights' average per capita income is $52,878. Household income levels show a median of $91,599. The poverty rate stands at 5.88%.

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$113,958-
Families$105,740$127,464
Households$91,599$114,693
Non Families$47,913$76,965

$52,878

Average Income

$91,599

Median Household Income

5.88%

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)