Randolph County's estimated 2026 population is 29,972 with a growth rate of 0.17% in the past year according to the most recent United States census data. Randolph County is the 47th largest county in Illinois. The 2010 population was 33,410 and has seen a growth of -10.29% since that time.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 45.6 years
Male: 42.7 years
There are 23,995 adults, (6,393 of whom are seniors) in Randolph County.
Female: 13,869 (46.1%)
Male: 16,189 (53.9%)
The racial composition of Randolph County includes 85.79% White, 8.31% Black or African American, and smaller percentages for other race, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 25,786 | 85.79% |
| Black or African American | 2,497 | 8.31% |
| Two or more races | 918 | 3.05% |
| Other race | 475 | 1.58% |
| Native American | 191 | 0.64% |
| Asian | 169 | 0.56% |
| Native Hawaiian or Pacific Islander | 22 | 0.07% |
Randolph County's average per capita income is $48,588. Household income levels show a median of $68,131. The poverty rate stands at 14.63%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,426 | $114,089 |
| Families | $89,005 | $98,035 |
| Households | $68,131 | $82,525 |
| Non Families | $37,517 | $49,627 |
Average Income
Median Household Income
Poverty Rate
