| Name | Marion County |
| State | Ohio |
| FIPS Code | 39101 |
| County Seat | Marion |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 64,828 |
| Population Growth Rate(2020-2024) | -0.81% |
| Majority Ethnicity | White 90.56% |
| Public School Majority Ethnicity | White 81% |
| Partisan Voting Index | Strongly Republican:+21 |
| Unemployment Rate (May 2026) | 4.6% |
| Sales Tax Rate (2025) | 7.25% |
| Area Code(s) | 220 / 740 / 419 / 567 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 90.56% |
| African American | 5.39% |
| Hispanic | 3.23% |
| Asian | 0.69% |
| Native American | 0.11% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 81.28% |
| African American | 4.82% |
| Hispanic | 5.86% |
| Asian | 0.36% |
| Native American | 0.13% |
| Hawaiin/Pacific Islander | 0.07% |