| Place Name | Erath |
| Place Type | Town |
| ZIP Code(s) | 70533 |
| County | Vermilion Parish |
| Area Code(s) | 337 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 2,459 |
| Population Growth Rate (2010-19) | -4.07% |
| Majority Ethnicity | White 80.3% |
| Metro/Micro Stats Area | Lafayette, LA |
| US Congressional District(s) | Louisiana 3rd |
| State House Districts | 49 |
| State Senate Districts | 26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 80.3% |
| African American | 8.26% |
| Hispanic | 0% |
| Asian | 3.1% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.34% |