Carroll County's estimated 2026 population is 15,370 with a growth rate of -0.32% 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 -0.16% since that time.
Data after 2023 is projected based on recent change
Overall: 45.4 years
Female: 49 years
Male: 43.6 years
There are 12,817 adults, (3,768 of whom are seniors) in Carroll County.
Female: 7,020 (45.1%)
Male: 8,556 (54.9%)
The racial composition of Carroll County includes 90.06% White, 4.03% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 14,027 | 90.06% |
| Black or African American | 628 | 4.03% |
| Two or more races | 526 | 3.38% |
| Other race | 226 | 1.45% |
| Asian | 125 | 0.8% |
| Native American | 44 | 0.28% |
Carroll County's average per capita income is $44,129. Household income levels show a median of $60,758. The poverty rate stands at 14.2%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,604 | - |
| Families | $78,644 | $95,822 |
| Households | $60,758 | $77,693 |
| Non Families | $37,590 | $49,677 |
Average Income
Median Household Income
Poverty Rate