| Place Name | Middlefield Township |
| Place Type | Township |
| ZIP Code(s) | 44021 44046 44062 |
| County | Geauga County |
| Area Code(s) | 440 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 4,539 |
| Majority Ethnicity | White 97.68% |
| Metro/Micro Stats Area | Cleveland-Elyria, OH |
| US Congressional District(s) | Ohio 14th |
| State House Districts | 76 |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.68% |
| African American | 1.4% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.92% |