Deferiet is located in north New York. Deferiet is part of Jefferson County. Deferiet has 0.65 square miles of land area and 0.08 square miles of water area. As of 2010-2014, the total Deferiet population is 273, which has shrunk 11.65% since 2000. The population growth rate is much lower than the state average rate of 3.26% and is much lower than the national average rate of 11.61%. Deferiet median household income is $42,083 in 2010-2014 and has grown by 21.32% since 2000. The income growth rate is much lower than the state average rate of 35.25% and is lower than the national average rate of 27.36%. Deferiet median house value is $96,700 in 2010-2014 and has grown by 81.77% since 2000. The house value growth rate is lower than the state average rate of 90.79% 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 Deferiet is close to the state average in quality. The Deferiet area code is 315.