| Name | Osage County |
| State | Missouri |
| FIPS Code | 29151 |
| County Seat | Linn |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 13,479 |
| Population Growth Rate(2020-2024) | 1.55% |
| Majority Ethnicity | White 98.42% |
| Public School Majority Ethnicity | White 97% |
| Partisan Voting Index | Strongly Republican:+37 |
| Unemployment Rate (May 2026) | 2.9% |
| Sales Tax Rate (2025) | 7.48% |
| Area Code(s) | 235 / 573 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 98.42% |
| African American | 0.16% |
| Hispanic | 1.06% |
| Asian | 0.01% |
| Native American | 0.35% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 97.46% |
| African American | 0% |
| Hispanic | 0.72% |
| Asian | 0% |
| Native American | 0.2% |
| Hawaiin/Pacific Islander | 0.07% |