Calhoun County's estimated 2026 population is 4,086 with a growth rate of -1.66% in the past year according to the most recent United States census data. Calhoun County is the 100th largest county in Illinois. The 2010 population was 5,093 and has seen a growth of -19.77% since that time.
Data after 2023 is projected based on recent change
The racial composition of Calhoun County includes 94.94% White, and smaller percentages for Black or African American, other race, Native American, Asian and multiracial populations.
White (94.94%)
Two or more races (3.77%)
Black or African American (1.02%)
Other race (0.14%)
Native American (0.11%)
Asian (0.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,183 | 94.94% |
| Two or more races | 166 | 3.77% |
| Black or African American | 45 | 1.02% |
| Other race | 6 | 0.14% |
| Native American | 5 | 0.11% |
| Asian | 1 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Calhoun County's average per capita income is $45,833. Household income levels show a median of $92,095. The poverty rate stands at 5.83%.
Name | Median | Mean |
|---|---|---|
| Married Families | $109,839 | - |
| Families | $107,903 | $117,123 |
| Households | $92,095 | $105,411 |
| Non Families | $46,667 | $65,291 |
Average Income
Median Household Income
Poverty Rate
