| Place Name | Shamrock |
| Place Type | City |
| ZIP Code(s) | 79079 |
| County | Wheeler County |
| Area Code(s) | 806 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,770 |
| Population Growth Rate (2010-19) | -6.34% |
| Majority Ethnicity | White 70.95% |
| US Congressional District(s) | Texas 13th |
| State House Districts | 68 |
| State Senate Districts | 31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 70.95% |
| African American | 2.26% |
| Hispanic | 0.13% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 26.65% |