Henry County's estimated 2026 population is 47,997 with a growth rate of -0.2% in the past year according to the most recent United States census data. Henry County is the 29th largest county in Illinois. The 2010 population was 50,459 and has seen a growth of -4.88% since that time.
Data after 2023 is projected based on recent change
Overall: 43.6 years
Female: 44.5 years
Male: 42.9 years
There are 38,127 adults, (10,591 of whom are seniors) in Henry County.
Female: 24,435 (50.2%)
Male: 24,208 (49.8%)
The racial composition of Henry County includes 87.95% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 42,780 | 87.95% |
| Two or more races | 3,839 | 7.89% |
| Other race | 1,227 | 2.52% |
| Black or African American | 535 | 1.1% |
| Asian | 254 | 0.52% |
| Native American | 5 | 0.01% |
| Native Hawaiian or Pacific Islander | 3 | 0.01% |
Henry County's average per capita income is $50,204. Household income levels show a median of $71,911. The poverty rate stands at 8.91%.
Name | Median | Mean |
|---|---|---|
| Married Families | $106,769 | - |
| Families | $89,840 | $111,504 |
| Households | $71,911 | $93,368 |
| Non Families | $42,907 | $53,734 |
Average Income
Median Household Income
Poverty Rate
