Mormon Lake
- County:
- Coconino County
- County Seat:
- No
- Area (mi²):
- 1.394
- State:
- Arizona
Mormon Lake is a CDP located in Coconino County, Arizona. Mormon Lake has a 2025 population of 294. Mormon Lake is currently growing at a rate of 7.3% annually and its population has increased by 434.55% since the most recent census, which recorded a population of 55 in 2020.
The median age in Mormon Lake is 11.8 years: 0 years for males, and 11 years for females.