Randolph County's estimated 2025 population is 29,813 with a growth rate of -0.3% 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 -10.77% since that time.
Data after 2023 is projected based on recent change
The racial composition of Randolph County includes 86.92% White, 7.98% Black or African American, and smaller percentages for Two or more races, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (86.92%)
Black or African American (7.98%)
Two or more races (2.89%)
Other race (1.41%)
Asian (0.64%)
Native American (0.12%)
Native Hawaiian or Pacific Islander (0.05%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 26,199 | 86.92% |
| Black or African American | 2,404 | 7.98% |
| Two or more races | 872 | 2.89% |
| Other race | 424 | 1.41% |
| Asian | 192 | 0.64% |
| Native American | 37 | 0.12% |
| Native Hawaiian or Pacific Islander | 14 | 0.05% |
Married
Widowed
Divorced
Separated
Never Married
Randolph County's average per capita income is $46,871. Household income levels show a median of $68,870. The poverty rate stands at 12.25%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,000 | $109,470 |
| Families | $89,319 | $95,379 |
| Households | $68,870 | $81,359 |
| Non Families | $38,367 | $52,126 |
Average Income
Median Household Income
Poverty Rate