Carroll County's estimated 2026 population is 15,348 with a growth rate of -0.31% in the past year according to the most recent United States census data. Carroll County is the 67th largest county in Illinois. The 2010 population was 15,395 and has seen a growth of -0.31% since that time.
Data after 2023 is projected based on recent change
The racial composition of Carroll County includes 90.76% White, 3.87% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
White (90.76%)
Black or African American (3.87%)
Two or more races (3.51%)
Other race (0.89%)
Asian (0.68%)
Native American (0.3%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 14,177 | 90.76% |
| Black or African American | 604 | 3.87% |
| Two or more races | 548 | 3.51% |
| Other race | 139 | 0.89% |
| Asian | 106 | 0.68% |
| Native American | 47 | 0.3% |
Married
Widowed
Divorced
Separated
Never Married
Carroll County's average per capita income is $44,026. Household income levels show a median of $60,871. The poverty rate stands at 13.61%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,527 | - |
| Families | $77,768 | $93,769 |
| Households | $60,871 | $79,017 |
| Non Families | $37,523 | $55,560 |
Average Income
Median Household Income
Poverty Rate