
Tranquillity
- County:
- Fresno County
- County Seat:
- No
- Area (mi²):
- 0.617
- State:
- California
Tranquillity is a CDP located in Fresno County, California. Tranquillity has a 2025 population of 783. Tranquillity is currently declining at a rate of -0.13% annually and its population has decreased by -2.97% since the most recent census, which recorded a population of 807 in 2020.
The average household income in Tranquillity is $82,152 with a poverty rate of 10.47%. The median age in Tranquillity is 42.8 years: 48.7 years for males, and 42.3 years for females.