| Place Name | Portia |
| Place Type | Town |
| ZIP Code(s) | 72457 |
| County | Lawrence County |
| Area Code(s) | 327,870 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 486 |
| Population Growth Rate (2010-19) | -2.97% |
| Majority Ethnicity | White 98.81% |
| US Congressional District(s) | Arkansas 1st |
| State House Districts | 60 |
| State Senate Districts | 20 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.81% |
| African American | 0.2% |
| Hispanic | 0.99% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |