Triplett is located in northwest Missouri. Triplett is part of Chariton County. Triplett has 0.23 square miles of land area and has no water area. As of 2010-2014, the total Triplett population is 21, which has shrunk 67.19% since 2000. The population growth rate is much lower than the state average rate of 7.74% and is much lower than the national average rate of 11.61%. Triplett median household income is $35,625 in 2010-2014 and has grown by 90.00% since 2000. The income growth rate is much higher than the state average rate of 25.91% and is much higher than the national average rate of 27.36%. Triplett median house value is $22,500 in 2010-2014 and has grown by 33.14% since 2000. The house value growth rate is much lower than the state average rate of 52.06% and is lower 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 Triplett is close to the state average in quality. The Triplett area code is 660.