Altus
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 2.081
- State:
- Arkansas
Altus is a city located in Franklin County, Arkansas. Altus has a 2026 population of 674. Altus is currently growing at a rate of 0.45% annually and its population has increased by 0.9% since the most recent census, which recorded a population of 668 in 2020.