| Place Name | Johnston Township |
| Place Type | Township |
| ZIP Code(s) | 44410 44417 44418 44428 |
| County | Trumbull County |
| Area Code(s) | 234,330 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,733 |
| Majority Ethnicity | White 98.96% |
| Metro/Micro Stats Area | Youngstown-Warren-Boardman, OH-PA |
| US Congressional District(s) | Ohio 14th |
| State House Districts | 64 |
| State Senate Districts | 32 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.96% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.04% |