Hardin is located in Calhoun County, Illinois. Hardin has a 2025 population of 187 . It is also the county seat of Calhoun County . Hardin is currently declining at a rate of -1.06% annually and its population has decreased by -3.61% since the most recent census, which recorded a population of 194 in 2020.
The average household income in Hardin is $151,203 with a poverty rate of 6.1%. The median age in Hardin is 54.6 years: 55 years for males, and 53.6 years for females. For every 100 females there are 141.2 males.
Data after 2023 is projected based on recent change
The racial composition of Hardin includes 91.46% White, and smaller percentages for Black or African American and multiracial populations.
White (91.46%)
Two or more races (7.32%)
Black or African American (1.22%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 150 | 91.46% |
| Two or more races | 12 | 7.32% |
| Black or African American | 2 | 1.22% |
Married
Widowed
Divorced
Separated
Never Married
Hardin's average per capita income is $16,563. Household income levels show a median of $55,000. The poverty rate stands at 6.1%.
Name | Median | Mean |
|---|---|---|
| Married Families | $133,083 | - |
| Households | $55,000 | $151,203 |
| Non Families | $36,875 | $34,500 |
| Families | - | $192,509 |
Average Income
Median Household Income
Poverty Rate