| Place Name | Grannis |
| Place Type | City |
| ZIP Code(s) | 71944 |
| County | Polk County |
| Area Code(s) | 327,870 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 679 |
| Population Growth Rate (2010-19) | -10.47% |
| Majority Ethnicity | White 80.76% |
| US Congressional District(s) | Arkansas 4th |
| State House Districts | 20 |
| State Senate Districts | 10 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 80.76% |
| African American | 0% |
| Hispanic | 1.2% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 18.04% |