Coles County's 2026 population is estimated at 46,205, reflecting a -0.24% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Coles County is the 31st largest county in Illinois. The 2010 population was 53,865 and has grown -14.22% since 2010.
Data after 2023 is projected based on recent change
Overall: 37.5 years
Female: 38.3 years
Male: 36.5 years
There are 38,228 adults, (8,592 of whom are seniors) in Coles County.
Female: 23,832 (50.9%)
Male: 22,945 (49.1%)
The racial composition of Coles County includes 89.7% White, 3.57% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 41,961 | 89.7% |
| Two or more races | 1,919 | 4.1% |
| Black or African American | 1,670 | 3.57% |
| Asian | 624 | 1.33% |
| Other race | 580 | 1.24% |
| Native American | 20 | 0.04% |
| Native Hawaiian or Pacific Islander | 3 | 0.01% |
Coles County 's average per capita income is $45,349. Household income levels show a median of $56,478. The poverty rate stands at 18.7%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $92,378 | $106,705 |
| Families | $74,287 | $90,632 |
| Households | $56,478 | $74,657 |
| Non Families | $33,555 | $50,942 |
Average Income
Median Household Income
Poverty Rate