Tranquillity is located close to the center of California. Tranquillity is part of Fresno County. Tranquillity has 0.62 square miles of land area and has no water area. As of 2010-2014, the total Tranquillity population is 897, which has grown 10.33% since 2000. The population growth rate is lower than the state average rate of 12.39% and is lower than the national average rate of 11.61%. Tranquillity median household income is $24,919 in 2010-2014 and has has shrunk by 41.86% since 2000. The income growth rate is much lower than the state average rate of 29.47% and is much lower than the national average rate of 27.36%. Tranquillity median house value is $154,600 in 2010-2014 and has shrunk by -104.77% since 2000. The house value growth rate is higher than the state average rate of 75.60% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Tranquillity is worse than the state average in quality. The Tranquillity area code is 559.