| Place Name | Dumas |
| Place Type | City |
| ZIP Code(s) | 71639 |
| County | Desha County |
| Area Code(s) | 327,870 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 4,666 |
| Population Growth Rate (2010-19) | -14.98% |
| Majority Ethnicity | African American 57.71% |
| US Congressional District(s) | Arkansas 1st |
| State House Districts | 11 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 34.19% |
| African American | 57.71% |
| Hispanic | 0.25% |
| Asian | 0.62% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.22% |