Henry County's 2026 population is estimated at 22,811, reflecting a 0.52% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Henry County is the 52nd largest county in Missouri. The 2010 population was 22,265 and has grown 2.45% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 44.4 years
Male: 42.4 years
There are 17,352 adults, (5,009 of whom are seniors) in Henry County.
Female: 11,353 (50.8%)
Male: 10,975 (49.2%)
The racial composition of Henry County includes 92.2% White, and smaller percentages for Black or African American, other race, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 20,586 | 92.2% |
| Two or more races | 1,414 | 6.33% |
| Black or African American | 169 | 0.76% |
| Other race | 77 | 0.34% |
| Native American | 46 | 0.21% |
| Asian | 36 | 0.16% |
Henry County 's average per capita income is $40,159. Household income levels show a median of $57,926. The poverty rate stands at 14.28%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $83,311 | - |
| Families | $70,563 | $90,902 |
| Households | $57,926 | $75,582 |
| Non Families | $33,500 | $46,163 |
Average Income
Median Household Income
Poverty Rate