| Place Name | Summerfield |
| Place Type | Census Designated Place |
| ZIP Code(s) | 79085 |
| County | Castro County |
| Area Code(s) | 806 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 26 |
| US Congressional District(s) | Texas 19th |
| State House Districts | 88 |
| State Senate Districts | 31 |