Mount Prospect, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Mount Prospect, Illinois had a total population of 55,472, the 24th largest village in Illinois, with a median household income of $101,720, which is 22% higher than the state average. The poverty rate is 6.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 48.5% of adults hold a bachelor's degree or higher — top 10% in Illinois.
Mount Prospect Quick Facts
How Mount Prospect Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 55,648 | 55,472 | -0.3% |
| Median household income | $103,911 | $101,720 | -2.1% |
| Median home value | $377,000 | $397,400 | +5.4% |
How Mount Prospect Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Mount Prospect Rankings in Illinois
Explore Illinois Rankings
Other Cities in Cook County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Chicago | 2,711,226 | $77,902 | 16.8% | $334,100 |
| Elgin | 114,934 | $90,282 | 9.8% | $273,000 |
| Cicero | 82,797 | $70,842 | 14.6% | $249,400 |
| Schaumburg | 76,868 | $97,514 | 5.7% | $330,400 |
| Evanston | 76,340 | $96,434 | 11.8% | $481,200 |
| Arlington Heights | 76,005 | $116,723 | 6.0% | $414,500 |
| Palatine | 66,293 | $97,819 | 8.2% | $355,600 |
| Skokie | 66,219 | $95,337 | 9.7% | $387,200 |
| Des Plaines | 59,156 | $97,875 | 6.0% | $335,600 |
| Orland Park | 57,916 | $98,910 | 7.3% | $367,200 |
Cities Similar to Mount Prospect
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Tinley Park | 54,842 | $105,189 | $299,900 | 37.0% | 5.0% |
| Orland Park | 57,916 | $98,910 | $367,200 | 45.4% | 7.3% |
| Oak Park | 53,292 | $110,820 | $465,500 | 72.5% | 7.4% |
| Des Plaines | 59,156 | $97,875 | $335,600 | 38.9% | 6.0% |
| Hoffman Estates | 51,175 | $106,806 | $351,900 | 48.5% | 7.1% |
Population Overview
Mount Prospect is a mid-sized community located in Illinois, within Cook County. The total population is 55,472. It ranks as the 24th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Mount Prospect is 41.1 years. This is 5% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Mount Prospect is $101,720. This is 22% higher than the state median of $83,390. It is also 26% higher than the national median of $80,734. The poverty rate stands at 6.6%. This is 44% lower than the state poverty rate of 11.8%. The unemployment rate is 3.8%. This is 34% lower than the state rate of 5.8%. The median home value is $397,400. Housing costs are 51% higher than the state median of $263,300. The home-value-to-income ratio is 3.9x. 68.7% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Mount Prospect is White (non-Hispanic), making up 61.0% of the population. Hispanic or Latino residents account for 18.1%. The Black or African American population (2.5%) is well below the state average of 13.3%. The Asian population is significantly higher than the state average (15.4% vs 5.9%).
Education
48.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Mount Prospect in the top 10% of all cities in the state for educational attainment. This is 28% higher than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.5%. Notably, 17.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Mount Prospect, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Mount Prospect, Illinois?
Mount Prospect, Illinois has a population of 55,472 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mount Prospect, IL?
The median household income in Mount Prospect is $101,720, which is 26% higher than the national median of $80,734.
What is the poverty rate in Mount Prospect, IL?
The poverty rate in Mount Prospect is 6.6%. This means approximately 3,629 residents live below the federal poverty line.
What is the racial makeup of Mount Prospect, Illinois?
Mount Prospect's population is 61.0% White, 2.5% Black, 18.1% Hispanic/Latino, and 15.4% Asian.
What is the median home value in Mount Prospect, IL?
The median home value in Mount Prospect is $397,400. The home-value-to-income ratio is 3.9x.
How educated is Mount Prospect, Illinois?
48.5% of adults (25+) in Mount Prospect hold a bachelor's degree or higher, and 17.4% hold a graduate or professional degree.