Mount Prospect, Illinois Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Mount Prospect, IL Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
A
Health Above average
-
B
Income Around average
-
A
Education Above average
Source: Map AI Methodology
Population
| Metric | Mount Prospect | Illinois Avg | U.S. Average |
|---|---|---|---|
| Population | 54,782 | 12,692,444 | 337,468,954 |
| Population density (per sq mi) | 5091.5 | 219.1 | 86.4 |
| Population growth (%/yr) | 0.20% | -0.16% | 0.59% |
| Median age | 41.2 | 37.4 | 37.3 |
| Households | 21,084 | 5,035,584 | 130,235,071 |
Population in Mount Prospect grew by 1.0% from 2009 to 2024, reaching 54,782 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Mount Prospect is Millennials, aged 29–44, at 22.1% of residents. That is 0.2 points above Illinois as a whole.
- Gen Z 13–28 10,187 18.6% -2.7 pts
- Millennials 29–44 12,094 22.1% +0.2 pts
- Gen X 45–60 11,719 21.4% +1.0 pts
- Boomers 61–79 9,518 17.4% +0.5 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Illinois, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.9% of the people living in Mount Prospect and men 49.1%.
- Women 50.9% Illinois 50.6%
- Men 49.1% Illinois 49.4%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Mount Prospect
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Mount Prospect has a the economy index of B, which means it is quite prosperous.
| Metric | Mount Prospect | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median household income | $100,972 | $84,042 | $80,455 |
| Income growth (%/yr) | 4.81% | 4.46% | 4.80% |
| Unemployment rate | 4.1% | 5.8% | 5.2% |
The median household income in Mount Prospect is about 20% higher than in Illinois.
Housing
| Metric | Mount Prospect | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median home price | $360,128 | $149,936 | $248,835 |
| Median rent | $1,532 | $1,274 | $1,407 |
| Homeownership rate | 69.2% | 67.1% | 65.2% |
The median home price in Mount Prospect is about 19.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,532 per month for that long.
Commute Time & Mobility
Commuters in Mount Prospect spend about 46 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 190 hours, about 7.9 full days, spent commuting.
| Metric | Mount Prospect | Illinois Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 22.8 | 23.6 | 22.4 |
| Round-trip commute (min) | 45.7 | 47.3 | 44.8 |
| Yearly time spent (hours) | 190 | 197 | 187 |
| Estimated yearly cost | $5,897 | $6,104 | $5,790 |
| Work from home | 18.8% | 15.9% | 15.0% |
| Highway traffic (vehicles/day) | 17,844 | 7,977 | 8,813 |
| Local road traffic (vehicles/day) | 2,837 | 1,547 | 1,355 |
The average commute time in Mount Prospect is 23 minutes, shorter than the 24 minutes in Illinois.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Mount Prospect has a education index of A, which means it is very educated.
| Metric | Mount Prospect | Illinois Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 45.2% | 34.1% | 31.6% |
| Average household size | 2.59 | 2.46 | 2.53 |
Health
Mount Prospect has a health index of A, which means it is very healthy.
| Metric | Mount Prospect | Illinois Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 81.7 | 77.9 | 78.3 |
| Self-rated poor health | 10.7% | 15.6% | 16.3% |
| Smokers | 11.6% | 19.2% | 19.0% |
Mount Prospect, IL Compared With Nearby Cities
Mount Prospect, IL is typical in size for this group, 54,782 residents against a local median of 48,770, so the measures below are close to a like for like comparison. The measure that sets Mount Prospect, IL apart most is median home price: $360,128, 61% above the local median of $223,830.
The cities themselves sit within $70,900 of each other on median home price, a tighter band than the gap between any of them and Mount Prospect, IL, which makes it a genuine outlier here rather than one end of a wide local spread. Mount Prospect, IL has the highest median home price of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Mount Prospect, IL | 54,782 | $100,972 #2/5 | $360,128 #1/5 | 22.8 min #3/5 |
| Des Plaines, IL | 61,932 | $92,817 | $169,438 | 26.3 min |
| Arlington Heights, IL | 77,229 | $114,070 | $240,337 | 23.9 min |
| Wheeling, IL | 35,608 | $86,844 | $229,587 | 22.4 min |
| Elk Grove Village, IL | 27,591 | $92,860 | $218,073 | 22.6 min |
Frequently Asked Questions
Common questions about Mount Prospect, Illinois.
What is the population of Mount Prospect, Illinois?
About 54,782 people live in Mount Prospect, Illinois, in 21,084 households of 2.6 people on average. The median age is 41.2, so residents are older than the U.S. median of 37.3 by about 4 years.
How densely populated is Mount Prospect, Illinois?
Averaged over its land area, Mount Prospect, Illinois has 5,092 people per square mile, a density typical of a city. That is about 59 times the U.S. average of 86.
Is Mount Prospect, Illinois an affordable place to live?
The median home costs 3.6 times the median household income ($360,128 against $100,972), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,532 a month takes about 18% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Mount Prospect, Illinois?
Unemployment in Mount Prospect, Illinois is only 4.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How common is a college degree in Mount Prospect, Illinois?
45.2% of adults in Mount Prospect, Illinois hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
Analyze any area in the US
Get local demographics for any address, aggregated by drive time or radius, on the interactive map.
Explore the map →