Dewar
- County:
- Okmulgee County
- County Seat:
- No
- Area (mi²):
- 1.012
- State:
- Oklahoma
Dewar is a town located in Okmulgee County, Oklahoma. Dewar has a 2026 population of 760. Dewar is currently growing at a rate of 0.66% annually and its population has increased by 0.8% since the most recent census, which recorded a population of 754 in 2020.