Macomb is a city located in McDonough County, Illinois. Macomb has a 2026 population of 14,647. It is also the county seat of McDonough County. Macomb is currently declining at a rate of -0.4% annually and its population has decreased by -2.35% since the most recent census, which recorded a population of 15,000 in 2020.
The median household income in Macomb is $44,411 with a poverty rate of 25.09%. The median age in Macomb is 27.6 years: 27.9 years for males, and 27.1 years for females. For every 100 females there are 90.6 males.
Data after 2023 is projected based on recent change
Overall: 27.6 years
Female: 27.1 years
Male: 27.9 years
There are 12,693 adults, (2,363 of whom are seniors) in Macomb.
Female: 7,814 (52.5%)
Male: 7,080 (47.5%)
The racial composition of Macomb includes 80.08% White, 9.74% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,927 | 80.08% |
| Black or African American | 1,451 | 9.74% |
| Two or more races | 910 | 6.11% |
| Asian | 409 | 2.75% |
| Other race | 157 | 1.05% |
| Native Hawaiian or Pacific Islander | 24 | 0.16% |
| Native American | 16 | 0.11% |
Macomb 's average per capita income is $42,736. Household income levels show a median of $44,411. The poverty rate stands at 25.09%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $100,716 | - |
| Families | $76,813 | $101,881 |
| Households | $44,411 | $63,860 |
| Non Families | $31,135 | $40,779 |
Average Income
Median Household Income
Poverty Rate