Thiells is located in southeast New York. Thiells is part of Rockland County. Thiells has 1.83 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Thiells population is 5,295, which has grown 11.29% since 2000. The population growth rate is much higher than the state average rate of 3.26% and is about the same as the national average rate of 11.61%. Thiells median household income is $110,152 in 2010-2014 and has grown by 37.85% since 2000. The income growth rate is higher than the state average rate of 35.25% and is higher than the national average rate of 27.36%. Thiells median house value is $371,400 in 2010-2014 and has grown by 63.61% since 2000. The house value growth rate is lower than the state average rate of 90.79% and is 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 Thiells is close to the state average in quality. The Thiells area code is 845.