Richland County's estimated 2026 population is 15,070 with a growth rate of -0.98% in the past year according to the most recent United States census data. Richland County is the 70th largest county in Illinois. The 2010 population was 16,193 and has seen a growth of -6.94% since that time.
Data after 2023 is projected based on recent change
Overall: 42.3 years
Female: 43.1 years
Male: 41.9 years
There are 12,014 adults, (3,234 of whom are seniors) in Richland County.
Female: 7,857 (50.4%)
Male: 7,741 (49.6%)
The racial composition of Richland County includes 93.79% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 14,630 | 93.79% |
| Two or more races | 570 | 3.65% |
| Other race | 234 | 1.5% |
| Asian | 85 | 0.54% |
| Black or African American | 68 | 0.44% |
| Native American | 9 | 0.06% |
| Native Hawaiian or Pacific Islander | 2 | 0.01% |
Richland County's average per capita income is $43,840. Household income levels show a median of $62,455. The poverty rate stands at 12.08%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,333 | - |
| Families | $80,014 | $96,562 |
| Households | $62,455 | $77,417 |
| Non Families | $33,318 | $45,617 |
Average Income
Median Household Income
Poverty Rate