| Place Name | Castalia |
| Place Type | Village |
| ZIP Code(s) | 44824 |
| County | Erie County |
| Area Code(s) | 419,567 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 875 |
| Population Growth Rate (2010-19) | -9.15% |
| Majority Ethnicity | White 94.74% |
| Metro/Micro Stats Area | Sandusky, OH |
| US Congressional District(s) | Ohio 9th |
| State House Districts | 89 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.74% |
| African American | 0.8% |
| Hispanic | 0.57% |
| Asian | 1.49% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.4% |