Mount Vernon, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Mount Vernon, Illinois is 14,492 as of the 2023 American Community Survey, making it the 170th-largest city in Illinois. The median household income is $52,751, the median home value is $89,700, and the median age is 39.0.
The population has declined 6.9% since 2010 (15,206 → 14,162).
14,492
Population
989
People / sq mi
$52,751
Median Income
$89,700
Median Home Value
Mount Vernon covers 14.7 sq mi of land at 989 people per square mile.
About Mount Vernon, IL
Mount Vernon is a city in Illinois with a population of 14,492. It ranks #170 among cities in Illinois by population. The median age is 39.0, in line with the national median. The population is 50.4% male and 49.6% female.
The median household income in Mount Vernon is $52,751, below the US median of $74,580. 15.5% of residents live below the federal poverty level. Home values sit at a median of $89,700, with monthly rent averaging $893. The homeownership rate of 53.4% is lower than the national rate of 64.8%.
Educational attainment in Mount Vernon reflects 19.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 3.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 13.7 minutes each way.
Mount Vernon city Population History (2010-2024)
The city of Mount Vernon city had a population of 15,206 in 2010 and 14,162 in 2024, a -6.9% growth over 14 years. The peak was 15,206 in 2010. Average annual growth rate: -0.51%.
14,162
Population (2024)
15,206
Population (2010)
15,206
Peak (2010)
-0.51%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 15,206 |
| 2011 | 15,173 |
| 2012 | 15,124 |
| 2013 | 15,109 |
| 2014 | 15,009 |
| 2015 | 14,948 |
| 2016 | 14,941 |
| 2017 | 14,861 |
| 2018 | 14,751 |
| 2019 | 14,723 |
| 2020 | 14,570 |
| 2021 | 14,510 |
| 2022 | 14,306 |
| 2023 | 14,262 |
| 2024 | 14,162 |
Race & Ethnicity
| White | 76.4% |
| Black or African American | 12.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.4% |
| Two or More Races | 0.0% |
Economy & Income
$52,751
Median Household Income
$29,722
Per Capita Income
15.5%
Poverty Rate
5.1%
Unemployment Rate
Housing
$89,700
Median Home Value
$893
Median Rent
53.4%
Owner-Occupied
Education
93.5%
High School+
19.0%
Bachelor's+
Commute
0.4%
Drive Alone
79.5%
Public Transit
3.3%
Work From Home
13.7 min
Avg Commute
Community Profile
20.9%
Foreign Born
97.1%
Non-English at Home
9.1%
Veterans
19.5%
With Disability
93.9%
Health Insurance
93.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 26.1% |
| Manufacturing | 15.1% |
| Education, Health Care & Social Services | 12.7% |
| Finance, Insurance & Real Estate | 8.1% |
| Retail Trade | 6.8% |
| Construction | 4.6% |
| Arts, Entertainment & Food Services | 4.5% |
| Information | 4.5% |
| Public Administration | 2.2% |
| Agriculture & Mining | 1.1% |
| Transportation & Warehousing | 0.9% |
Largest cities in Illinois
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Part of Illinois
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City rankings
Frequently Asked Questions
Mount Vernon, Illinois has a population of 14,492 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 170th-largest city in Illinois.
The median household income in Mount Vernon, Illinois is $52,751, with 15.5% of residents living below the federal poverty level.
The median home value in Mount Vernon, Illinois is $89,700, with median monthly rent at $893 and a homeownership rate of 53.4%.
The median age in Mount Vernon, Illinois is 39.0 years. The population is 50.4% male and 49.6% female.
The population has declined 6.9% since 2010 (15,206 → 14,162).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.