Hancock County's estimated 2026 population is 16,634 with a growth rate of -1.11% in the past year according to the most recent United States census data. Hancock County is the 61st largest county in Illinois. The 2010 population was 19,091 and has seen a growth of -12.87% since that time.
Data after 2023 is projected based on recent change
The racial composition of Hancock County includes 95.05% White, and smaller percentages for Two or more races, other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (95.05%)
Two or more races (2.82%)
Other race (0.91%)
Black or African American (0.76%)
Asian (0.33%)
Native American (0.12%)
Native Hawaiian or Pacific Islander (0.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16,571 | 95.05% |
| Two or more races | 491 | 2.82% |
| Other race | 158 | 0.91% |
| Black or African American | 132 | 0.76% |
| Asian | 57 | 0.33% |
| Native American | 21 | 0.12% |
| Native Hawaiian or Pacific Islander | 4 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Hancock County's average per capita income is $44,230. Household income levels show a median of $65,044. The poverty rate stands at 12.72%.
Name | Median | Mean |
|---|---|---|
| Married Families | $91,792 | - |
| Families | $85,081 | $97,825 |
| Households | $65,044 | $83,931 |
| Non Families | $36,633 | $55,485 |
Average Income
Median Household Income
Poverty Rate
