Mount Prospect, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Mount Prospect, Illinois is 55,648 as of the 2023 American Community Survey, making it the 24th-largest city in Illinois. The median household income is $103,911, the median home value is $377,000, and the median age is 41.7.
The population has grown 0.7% since 2010 (55,082 → 55,460).
55,648
Population
5191
People / sq mi
$103,911
Median Income
$377,000
Median Home Value
Mount Prospect covers 10.7 sq mi of land at 5191 people per square mile.
About Mount Prospect, IL
Mount Prospect is a city in Illinois with a population of 55,648. It ranks #24 among cities in Illinois by population. The median age is 41.7, older than the national median. The population is 50.1% male and 49.9% female.
The median household income in Mount Prospect is $103,911, above the US median of $74,580. 4.3% of residents live below the federal poverty level. Home values sit at a median of $377,000, with monthly rent averaging $1,454. The homeownership rate of 70.0% is higher than the national rate of 64.8%.
Educational attainment in Mount Prospect reflects 48.6% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 15.8% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 27.0 minutes each way.
Mount Prospect village Population History (2010-2024)
The city of Mount Prospect village had a population of 55,082 in 2010 and 55,460 in 2024, a 0.7% growth over 14 years. The peak was 56,705 in 2020. Average annual growth rate: 0.06%.
55,460
Population (2024)
55,082
Population (2010)
56,705
Peak (2020)
0.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 55,082 |
| 2011 | 55,264 |
| 2012 | 55,417 |
| 2013 | 55,602 |
| 2014 | 55,770 |
| 2015 | 55,528 |
| 2016 | 55,156 |
| 2017 | 54,675 |
| 2018 | 54,116 |
| 2019 | 53,719 |
| 2020 | 56,705 |
| 2021 | 55,651 |
| 2022 | 54,927 |
| 2023 | 54,748 |
| 2024 | 55,460 |
Race & Ethnicity
| White | 67.1% |
| Black or African American | 2.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Economy & Income
$103,911
Median Household Income
$48,113
Per Capita Income
4.3%
Poverty Rate
2.4%
Unemployment Rate
Housing
$377,000
Median Home Value
$1,454
Median Rent
70.0%
Owner-Occupied
Education
91.7%
High School+
48.6%
Bachelor's+
Commute
4.3%
Drive Alone
69.9%
Public Transit
15.8%
Work From Home
27.0 min
Avg Commute
Community Profile
10.0%
Foreign Born
57.6%
Non-English at Home
4.8%
Veterans
9.2%
With Disability
91.2%
Health Insurance
95.6%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.1% |
| Manufacturing | 12.8% |
| Finance, Insurance & Real Estate | 12.2% |
| Information | 8.9% |
| Retail Trade | 8.6% |
| Education, Health Care & Social Services | 8.2% |
| Construction | 6.3% |
| Arts, Entertainment & Food Services | 4.8% |
| Transportation & Warehousing | 2.5% |
| Public Administration | 2.5% |
| Agriculture & Mining | 0.3% |
Largest cities in Illinois
Largest counties in Illinois
Part of Illinois
Metro areas in Illinois
City rankings
Frequently Asked Questions
Mount Prospect, Illinois has a population of 55,648 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 24th-largest city in Illinois.
The median household income in Mount Prospect, Illinois is $103,911, with 4.3% of residents living below the federal poverty level.
The median home value in Mount Prospect, Illinois is $377,000, with median monthly rent at $1,454 and a homeownership rate of 70.0%.
The median age in Mount Prospect, Illinois is 41.7 years. The population is 50.1% male and 49.9% female.
The population has grown 0.7% since 2010 (55,082 → 55,460).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.