Otter Lake
- County:
- Lapeer County
- County Seat:
- No
- Area (mi²):
- 0.755
- State:
- Michigan
Otter Lake is a village located in Lapeer County, Michigan. Otter Lake has a 2026 population of 357. Otter Lake is currently declining at a rate of -0.28% annually and its population has decreased by -1.65% since the most recent census, which recorded a population of 363 in 2020.