Mount Prospect, IL Census Data
The 24th largest city in Illinois by population · 29 cities ranked
Mount Prospect is the 24th largest city in Illinois by population and ranks 7th of 29 for median household income. With 55,648 residents, it has a lower poverty rate than 22 other Illinois cities. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · Source: U.S. Census Bureau, ACS 2023
Population
55,648
50.1% male · 49.9% female
Median Age
41.7
3.0 above the national average (38.7 yrs)
Median Household Income
$103,911
$25,373 above the national average ($78,538)
Bachelor's Degree or Higher
48.6%
13.6% above the national average (35.0%)
HS diploma or higher: 91.7%
Poverty Rate
6.0%
6.4% below the national average (12.4%)
Uninsured: 8.8%
Broadband Access
95.6%
5.9% above the national average (89.7%)
Median Home Value
$377,000
Median rent: $1,454 · 70% owner-occupied
Unemployment Rate
3.6%
Labor force participation: 64.4%
Per Capita Income
$54,337
Individual average income (not household)
Veteran Population
4.8%
Disability rate: 9.2%
How Mount Prospect Compares to Other Illinois Cities
Rankings among all 29 Illinois cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 24th of 29 | Bottom 25% |
| Highest Median Income | 7th of 29 | Top 25% |
| Lowest Poverty Rate | 7th of 29 | Top 25% |
| Highest Bachelor's Attainment | 12th of 29 | Top half |
| Highest Home Value | 6th of 29 | Top 25% |
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Mount Prospect, IL Frequently Asked Questions
What is the population of Mount Prospect, IL?
The population of Mount Prospect, IL is 55,648 according to the 2023 American Community Survey 5-year estimates. The median age is 41.7 years.
What is the median household income in Mount Prospect?
The median household income in Mount Prospect, IL is $103,911, above the national average of $78,538. Per capita income is $54,337.
What is the poverty rate in Mount Prospect?
The poverty rate in Mount Prospect, IL is 6.0%, compared to the national average of 12.4%. About 8.8% of residents lack health insurance.
What percentage of Mount Prospect residents have a college degree?
48.6% of adults (25+) in Mount Prospect hold a bachelor's degree or higher, and 91.7% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Mount Prospect?
The median home value in Mount Prospect, IL is $377,000. Median rent is $1,454 per month, with 70% of housing units owner-occupied.
What is the racial makeup of Mount Prospect?
Mount Prospect's population is 67.1% White, 2.5% Black, 16.2% Hispanic or Latino, and 14.6% Asian (source: 2023 ACS).
How does Mount Prospect rank among Illinois cities?
Mount Prospect is the 24th largest city in Illinois by population, the 7th highest for median household income, the 7th lowest for poverty rate, the 12th highest for bachelor's degree attainment among 29 ranked Illinois cities.
What is the unemployment rate in Mount Prospect?
The unemployment rate in Mount Prospect, IL is 3.6%, with a labor force participation rate of 64.4%. Per capita income is $54,337.
Cities Similar to Mount Prospect
Other Illinois cities with comparable population and income levels.