Putnam
- County:
- Callahan County
- County Seat:
- No
- Area (mi²):
- 1.013
- State:
- Texas
Putnam is a town located in Callahan County, Texas. Putnam has a 2026 population of 77. Putnam is currently growing at a rate of 1.32% annually and its population has increased by 8.45% since the most recent census, which recorded a population of 71 in 2020.