| Name | Miami County |
| State | Ohio |
| FIPS Code | 39109 |
| County Seat | Troy |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 102,657 |
| Population Growth Rate(2000-2022) | 6.11% |
| Majority Ethnicity | White 96.03% |
| Public School Majority Ethnicity | White 87% |
| Partisan Voting Index | Strongly Republican:+21 |
| Unemployment Rate (January 2025) | 3.6% |
| Area Code(s) | 326 / 937 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 96.03% |
| African American | 2.11% |
| Hispanic | 0.11% |
| Asian | 1.72% |
| Native American | 0.01% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 86.82% |
| African American | 2.57% |
| Hispanic | 3.12% |
| Asian | 1.34% |
| Native American | 0.06% |
| Hawaiin/Pacific Islander | 0.12% |