Allen
- County:
- Pontotoc County
- County Seat:
- No
- Area (mi²):
- 0.94
- State:
- Oklahoma
Allen is a town located in Pontotoc County, Oklahoma. Allen has a 2026 population of 803. Allen is currently declining at a rate of -0.62% annually but its population has increased by 0.12% since the most recent census, which recorded a population of 802 in 2020.