Osage County's estimated 2025 population is 13,608 with a growth rate of 0.52% in the past year according to the most recent United States census data. Osage County is the 73rd largest county in Missouri. The 2010 population was 13,907 and has seen a growth of -2.15% since that time.
Data after 2023 is projected based on recent change
The racial composition of Osage County includes 97.79% White, and smaller percentages for Two or more races, Native American, Black or African American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White
Two or more races
Native American
Black or African American
Other race
Asian
Native Hawaiian or Pacific Islander
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,083 | 97.79% |
| Two or more races | 219 | 1.64% |
| Native American | 47 | 0.35% |
| Black or African American | 21 | 0.16% |
| Other race | 8 | 0.06% |
| Asian | 1 | 0.01% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Osage County's average per capita income is $48,339. Household income levels show a median of $75,355. The poverty rate stands at 10.09%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,552 | - |
| Families | $96,100 | $131,161 |
| Households | $75,355 | $104,002 |
| Non Families | $30,026 | $42,179 |
Average Income
Median Household Income
Poverty Rate
