Lamar
- County:
- Hughes County
- County Seat:
- No
- Area (mi²):
- 11.994
- State:
- Oklahoma
Lamar is a town located in Hughes County, Oklahoma. Lamar has a 2026 population of 124. Lamar is currently growing at a rate of 0.81% annually and its population has increased by 2.48% since the most recent census, which recorded a population of 121 in 2020.