Hamilton County's estimated 2025 population is 7,771 with a growth rate of -0.89% in the past year according to the most recent United States census data. Hamilton County is the 89th largest county in Illinois. The 2010 population was 8,446 and has seen a growth of -7.99% since that time.
Data after 2023 is projected based on recent change
The racial composition of Hamilton County includes 96.01% White, and smaller percentages for Two or more races, Asian, other race, Native Hawaiian or Pacific Islander, Black or African American, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 7,654 | 96.01% |
| Two or more races | 165 | 2.07% |
| Asian | 69 | 0.87% |
| Other race | 39 | 0.49% |
| Native Hawaiian or Pacific Islander | 37 | 0.46% |
| Black or African American | 4 | 0.05% |
| Native American | 4 | 0.05% |
Married
Widowed
Divorced
Separated
Never Married
Hamilton County's average per capita income is $46,267. Household income levels show a median of $61,520. The poverty rate stands at 12.54%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,469 | - |
| Families | $75,333 | $105,054 |
| Households | $61,520 | $85,365 |
| Non Families | $35,326 | $49,654 |
Average Income
Median Household Income
Poverty Rate