| Name | Oregon County |
| State | Missouri |
| FIPS Code | 29149 |
| County Seat | Alton |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 8,719 |
| Population Growth Rate(2020-2024) | 0.93% |
| Majority Ethnicity | White 97.69% |
| Public School Majority Ethnicity | White 94% |
| Partisan Voting Index | Strongly Republican:+34 |
| Unemployment Rate (May 2026) | 4.6% |
| Area Code(s) | 417 / 235 / 573 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 97.69% |
| African American | 0.08% |
| Hispanic | 1.37% |
| Asian | 0.34% |
| Native American | 0.49% |
| Hawaiin/Pacific Islander | 0.04% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 93.85% |
| African American | 0.39% |
| Hispanic | 3.07% |
| Asian | 0.22% |
| Native American | 1.12% |
| Hawaiin/Pacific Islander | 0% |