City in McDonough County, Illinois · 10.8 sq mi · 1,324 people per sq mi
14,348 people live in Macomb. The typical household earns $44,411, and the median resident is 27.6 years old.
2026 projection
From 15,051 in 2020
Poverty rate 25.09%
Men 27.9 · Women 27.1
1850–2026
14,348
2026 projection
4.7% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1850–2026
14,348
2026 projection
4.7% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 14,348 | -182 | 1.25% |
|---|---|---|---|
| 2025 | 14,530 | -104 | 0.71% |
| 2024 | 14,634 | -512 | 3.38% |
| 2023 | 15,146 | +56 | 0.37% |
| 2022 | 15,090 | -356 | 2.30% |
| 2021 | 15,446 | +395 | 2.62% |
| 2020 | 15,051 | -369 | 2.39% |
| 2019 | 15,420 | -385 | 2.44% |
| 2018 | 15,805 | -403 | 2.49% |
| 2017 | 16,208 | -502 | 3.00% |
Showing 10 of 33 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Macomb has a population change lower than McDonough County, Illinois, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 149 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 4 residents
28% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 28% | 30% | 26% |
| Never married | 55% | 55% | 54% |
| Divorced | 9% | 9% | 8% |
| Widowed | 7% | 4% | 10% |
| Separated | 2% | 2% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources