| Place Name | Decatur |
| Place Type | City |
| ZIP Code(s) | 72722 |
| County | Benton County |
| Area Code(s) | 479 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,737 |
| Population Growth Rate (2010-19) | 4.36% |
| Majority Ethnicity | White 72.95% |
| Metro/Micro Stats Area | Fayetteville-Springdale-Rogers, AR |
| US Congressional District(s) | Arkansas 3rd |
| State House Districts | 92 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 72.95% |
| African American | 5.22% |
| Hispanic | 3.26% |
| Asian | 1.37% |
| Native American | 0.39% |
| Hawaiin/Pacific Islander | 16.82% |