| Place Name | Marion |
| Place Type | City |
| ZIP Code(s) | 43302 |
| County | Marion County |
| Area Code(s) | 220,740 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 36,974 |
| Population Growth Rate (2010-19) | -2.27% |
| Majority Ethnicity | White 85.6% |
| Metro/Micro Stats Area | Marion, OH |
| US Congressional District(s) | Ohio 4th |
| State House Districts | 86 |
| State Senate Districts | 26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 85.6% |
| African American | 9.43% |
| Hispanic | 0.33% |
| Asian | 0.32% |
| Native American | 0.08% |
| Hawaiin/Pacific Islander | 4.25% |