Osage is located in Miami County, Kansas. Osage has a 2025 population of 667. Osage is currently growing at a rate of 0.3% annually and its population has increased by 2.46% since the most recent census, which recorded a population of 651 in 2020.
The average household income in Osage is $115,027 with a poverty rate of 18.72%. The median age in Osage is 35.9 years: 44 years for males, and 25.8 years for females.
Data after 2023 is projected based on recent change
The racial composition of Osage includes 73.82% White, 11.22% other race, 9.35% Native American, and smaller percentages for Black or African American and multiracial populations.
White (73.8%)
Other race (11.2%)
Native American (9.3%)
Two or more races (5.2%)
Black or African American (0.4%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 750 | 73.82% |
| Other race | 114 | 11.22% |
| Native American | 95 | 9.35% |
| Two or more races | 53 | 5.22% |
| Black or African American | 4 | 0.39% |
Married
Widowed
Divorced
Separated
Never Married
Osage's average per capita income is $41,875. Household income levels show a median of $83,333. The poverty rate stands at 18.72%.
Name | Median | Mean |
|---|---|---|
| Married Families | $111,429 | - |
| Families | $91,000 | $113,275 |
| Households | $83,333 | $115,027 |
| Non Families | $69,167 | $122,483 |
Average Income
Median Household Income
Poverty Rate