Macomb, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Macomb, Illinois is 15,006 as of the 2023 American Community Survey, making it the 163rd-largest city in Illinois. The median household income is $39,753, the median home value is $99,800, and the median age is 27.7.
The population has declined 23.5% since 2010 (19,309 → 14,765).
15,006
Population
1405
People / sq mi
$39,753
Median Income
$99,800
Median Home Value
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Macomb covers 10.7 sq mi of land at 1405 people per square mile.
About Macomb, IL
Housing cost is the defining feature of Macomb: the median home is valued at $99,800. With 15,006 residents, Macomb is a city in Illinois.
Money is tight relative to the rest of US cities: the median household earns just $39,753, below the US median of $78,538. Hardship is pronounced — at 20.5%, poverty is near the top of the range for US cities, above the national 12.4%. Home prices sit near the bottom of the range at $99,800, with typical rent around $733.
Degree attainment is mid-range for US cities: 35.4% of adults hold a four-year degree, near the national 35.0%. Most workers commute: only 6.8% work from home, below the national 14.0%, and the average commute runs about 15 minutes each way.
Macomb city Population History (2010-2024)
The city of Macomb city had a population of 19,309 in 2010 and 14,765 in 2024, a -23.5% growth over 14 years. The peak was 19,309 in 2010. Average annual growth rate: -1.83%.
14,765
Population (2024)
19,309
Population (2010)
19,309
Peak (2010)
-1.83%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 19,309 |
| 2011 | 19,237 |
| 2012 | 19,263 |
| 2013 | 19,043 |
| 2014 | 18,739 |
| 2015 | 18,479 |
| 2016 | 18,080 |
| 2017 | 17,790 |
| 2018 | 17,576 |
| 2019 | 17,413 |
| 2020 | 15,000 |
| 2021 | 14,885 |
| 2022 | 14,923 |
| 2023 | 14,915 |
| 2024 | 14,765 |
Race & Ethnicity
| White | 81.6% |
| Black or African American | 9.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Economy & Income
$39,753
Median Household Income
$27,252
Per Capita Income
20.5%
Poverty Rate
7.4%
Unemployment Rate
Housing
$99,800
Median Home Value
$733
Median Rent
46.2%
Owner-Occupied
Education
94.6%
High School+
35.4%
Bachelor's+
Commute
0.3%
Drive Alone
74.3%
Public Transit
6.8%
Work From Home
14.8 min
Avg Commute
Community Profile
23.6%
Foreign Born
93.7%
Non-English at Home
4.2%
Veterans
15.0%
With Disability
94.1%
Health Insurance
92.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 30.4% |
| Education, Health Care & Social Services | 17.0% |
| Manufacturing | 7.5% |
| Finance, Insurance & Real Estate | 6.0% |
| Retail Trade | 5.6% |
| Arts, Entertainment & Food Services | 4.9% |
| Public Administration | 3.5% |
| Information | 3.0% |
| Construction | 1.2% |
| Transportation & Warehousing | 1.2% |
| Agriculture & Mining | 0.7% |
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Frequently Asked Questions
Macomb, Illinois has a population of 15,006 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 163rd-largest city in Illinois.
The median household income in Macomb, Illinois is $39,753, with 20.5% of residents living below the federal poverty level.
The median home value in Macomb, Illinois is $99,800, with median monthly rent at $733 and a homeownership rate of 46.2%.
The median age in Macomb, Illinois is 27.7 years. The population is 47.0% male and 53.0% female.
The population has declined 23.5% since 2010 (19,309 → 14,765).
Where to stay in Macomb
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.