| Place Name | Willoughby |
| Place Type | City |
| ZIP Code(s) | 44094 |
| County | Lake County |
| Area Code(s) | 440 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 22,302 |
| Population Growth Rate (2010-19) | 7.59% |
| Majority Ethnicity | White 91.73% |
| Metro/Micro Stats Area | Cleveland-Elyria, OH |
| US Congressional District(s) | Ohio 14th |
| State House Districts | 60 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.73% |
| African American | 5.75% |
| Hispanic | 0% |
| Asian | 1.15% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.37% |