Henderson County's 2026 population is estimated at 5,934, reflecting a -0.95% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Henderson County is the 92nd largest county in Illinois. The 2010 population was 7,344 and has grown -19.2% since 2010.
Data after 2023 is projected based on recent change
Overall: 50.2 years
Female: 51.5 years
Male: 49.5 years
There are 5,048 adults, (1,710 of whom are seniors) in Henderson County.
Female: 3,094 (50%)
Male: 3,099 (50%)
The racial composition of Henderson County includes 94.04% White, and smaller percentages for other race, Native American, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 5,824 | 94.04% |
| Two or more races | 215 | 3.47% |
| Other race | 83 | 1.34% |
| Native American | 41 | 0.66% |
| Black or African American | 19 | 0.31% |
| Asian | 11 | 0.18% |
Henderson County 's average per capita income is $44,362. Household income levels show a median of $62,227. The poverty rate stands at 13.94%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,359 | - |
| Families | $80,500 | $86,660 |
| Households | $62,227 | $73,914 |
| Non Families | $31,233 | $42,969 |
Average Income
Median Household Income
Poverty Rate
