Schaller
- County:
- Sac County
- County Seat:
- No
- Area (mi²):
- 1.259
- State:
- Iowa
Schaller is a city located in Sac County, Iowa. Schaller has a 2026 population of 702. Schaller is currently declining at a rate of -1.68% annually and its population has decreased by -3.31% since the most recent census, which recorded a population of 726 in 2020.