Tranquillity is a census-designated place (CDP) in Fresno County, California, United States.

It is located 10 miles (16 km) southeast of Mendota,[7] at an elevation of 164 feet (50 m).

According to the United States Census Bureau, the CDP has a total area of 0.6 square miles (1.6 km2), all of it land.

[7] The town received recognition during a September 29, 1970 episode of the long-running television show Hee-Haw.

It was part of the show's weekly "salute" feature, and co-host Buck Owens acknowledged the town's population, which at the time was 750.

The episode had Ray Charles and Lynn Anderson as musical guests.

38 households (16.6%) were made up of individuals, and 13 (5.7%) had someone living alone who was 65 years of age or older.

15.7% of all households were made up of individuals, and 7.6% had someone living alone who was 65 years of age or older.