
Mud Lake
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 0.142
- State:
- Idaho
Mud Lake is a city located in Jefferson County, Idaho. Mud Lake has a 2025 population of 374. Mud Lake is currently growing at a rate of 3.03% annually and its population has increased by 17.61% since the most recent census, which recorded a population of 318 in 2020.
The average household income in Mud Lake is $67,686 with a poverty rate of 12.02%. The median age in Mud Lake is 29.1 years: 29.9 years for males, and 26.1 years for females.