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 14,897. Prospect Heights is currently declining at a rate of -1.44% annually and its population has decreased by -6.83% since the most recent census, which recorded a population of 15,989 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.

14.9K
Total Population
3,541
Density (mi²)
-218 -1.44%
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, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

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%
Native American00%
Native Hawaiian or Pacific Islander00%

Prospect Heights Marital Status

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

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)