Franklin County's estimated 2026 population is 36,787 with a growth rate of -0.33% in the past year according to the most recent United States census data. Franklin County is the 36th largest county in Illinois. The 2010 population was 40,035 and has seen a growth of -8.11% since that time.
Data after 2023 is projected based on recent change
The racial composition of Franklin County includes 94.82% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
White (94.82%)
Two or more races (3.76%)
Other race (0.52%)
Black or African American (0.45%)
Asian (0.37%)
Native American (0.08%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 35,597 | 94.82% |
| Two or more races | 1,411 | 3.76% |
| Other race | 196 | 0.52% |
| Black or African American | 168 | 0.45% |
| Asian | 139 | 0.37% |
| Native American | 30 | 0.08% |
Married
Widowed
Divorced
Separated
Never Married
Franklin County's average per capita income is $40,634. Household income levels show a median of $53,471. The poverty rate stands at 16.91%.
Name | Median | Mean |
|---|---|---|
| Married Families | $82,020 | $96,983 |
| Families | $67,459 | $85,445 |
| Households | $53,471 | $69,811 |
| Non Families | $28,908 | $42,046 |
Average Income
Median Household Income
Poverty Rate
