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.
White
Two or more races
Asian
Other race
Native Hawaiian or Pacific Islander
Black or African American
Native American
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