| Place Name | Big Wells |
| Place Type | City |
| ZIP Code(s) | 78830 |
| County | Dimmit County |
| Area Code(s) | 830 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 624 |
| Population Growth Rate (2010-19) | -30.70% |
| Majority Ethnicity | Hispanic 0% |
| US Congressional District(s) | Texas 23rd |
| State House Districts | 80 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 42.07% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 1.41% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 56.52% |