| Place Name | Prairie Grove Township |
| Place Type | Township |
| ZIP Code(s) | 72730 72753 |
| County | Washington County |
| Area Code(s) | 479 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 8,404 |
| Majority Ethnicity | White 91.69% |
| Metro/Micro Stats Area | Fayetteville-Springdale-Rogers, AR |
| US Congressional District(s) | Arkansas 3rd |
| State House Districts | 80,84,85 |
| State Senate Districts | 2,4 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.69% |
| African American | 1.11% |
| Hispanic | 1.44% |
| Asian | 1.64% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.13% |