Henry County's estimated 2025 population is 48,152 with a growth rate of -0.31% 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 -4.57% since that time.
Data after 2023 is projected based on recent change
The racial composition of Henry County includes 88.49% White, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White (88.5%)
Two or more races (6.3%)
Other race (2.6%)
Black or African American (2.2%)
Asian (0.4%)
Native Hawaiian or Pacific Islander (0.0%)
Native American (0.0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 43,316 | 88.49% |
| Two or more races | 3,064 | 6.26% |
| Other race | 1,290 | 2.64% |
| Black or African American | 1,071 | 2.19% |
| Asian | 192 | 0.39% |
| Native Hawaiian or Pacific Islander | 10 | 0.02% |
| Native American | 5 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
Henry County's average per capita income is $49,201. Household income levels show a median of $69,912. The poverty rate stands at 8.06%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,078 | - |
| Families | $89,207 | $110,463 |
| Households | $69,912 | $91,842 |
| Non Families | $41,340 | $50,477 |
Average Income
Median Household Income
Poverty Rate
