Terryville is located in southeast New York. Terryville is part of Suffolk County. Terryville has 3.21 square miles of land area and has no water area. As of 2010-2014, the total Terryville population is 11,686, which has grown 10.36% since 2000. The population growth rate is much higher than the state average rate of 3.26% and is lower than the national average rate of 11.61%. Terryville median household income is $90,474 in 2010-2014 and has grown by 32.98% since 2000. The income growth rate is lower than the state average rate of 35.25% and is higher than the national average rate of 27.36%. Terryville median house value is $341,000 in 2010-2014 and has grown by 106.29% since 2000. The house value growth rate is higher 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 Terryville is close to the state average in quality.