De Witt County's estimated 2026 population is 14,992 with a growth rate of -0.83% in the past year according to the most recent United States census data. De Witt County is the 71st largest county in Illinois. The 2010 population was 16,589 and has seen a growth of -9.63% since that time.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 44.5 years
Male: 42.6 years
There are 12,093 adults, (3,182 of whom are seniors) in De Witt County.
Female: 7,696 (50.1%)
Male: 7,677 (49.9%)
The racial composition of De Witt County includes 93.27% White, and smaller percentages for Black or African American, Native American, other race, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 14,339 | 93.27% |
| Two or more races | 726 | 4.72% |
| Black or African American | 168 | 1.09% |
| Native American | 67 | 0.44% |
| Other race | 43 | 0.28% |
| Asian | 30 | 0.2% |
De Witt County's average per capita income is $50,954. Household income levels show a median of $71,678. The poverty rate stands at 9.97%.
Name | Median | Mean |
|---|---|---|
| Married Families | $108,131 | - |
| Families | $98,750 | $105,391 |
| Households | $71,678 | $86,800 |
| Non Families | $41,650 | $56,349 |
Average Income
Median Household Income
Poverty Rate
