Osage County's estimated 2026 population is 13,753 with a growth rate of 1.04% 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 -1.11% since that time.
Data after 2023 is projected based on recent change
Overall: 41.1 years
Female: 41 years
Male: 41.2 years
There are 10,359 adults, (2,449 of whom are seniors) in Osage County.
Female: 6,525 (48.7%)
Male: 6,877 (51.3%)
The racial composition of Osage County includes 97.46% White, and smaller percentages for Two or more races, Black or African American, Native American, Asian, other race and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,061 | 97.46% |
| Two or more races | 262 | 1.95% |
| Black or African American | 37 | 0.28% |
| Native American | 24 | 0.18% |
| Asian | 14 | 0.1% |
| Other race | 4 | 0.03% |
Osage County's average per capita income is $50,064. Household income levels show a median of $76,681. The poverty rate stands at 8.61%.
Name | Median | Mean |
|---|---|---|
| Married Families | $114,426 | - |
| Families | $102,480 | $133,124 |
| Households | $76,681 | $103,237 |
| Non Families | $30,718 | $40,570 |
Average Income
Median Household Income
Poverty Rate
