| Place Name | Shamrock Township |
| Place Type | Township |
| ZIP Code(s) | 63361 63388 65231 65264 |
| County | Callaway County |
| Area Code(s) | 573 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 596 |
| Majority Ethnicity | White 91.95% |
| Metro/Micro Stats Area | Jefferson City, MO |
| US Congressional District(s) | Missouri 3rd |
| State House Districts | 43 |
| State Senate Districts | 10 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.95% |
| African American | 0% |
| Hispanic | 8.05% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |