Greenvale is located in southeast New York. Greenvale is part of Nassau County. Greenvale has 0.25 square miles of land area and has no water area. As of 2010-2014, the total Greenvale population is 765, which has shrunk 65.71% 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%. Greenvale median household income is $99,028 in 2010-2014 and has grown by 66.43% since 2000. The income growth rate is much higher than the state average rate of 35.25% and is much higher than the national average rate of 27.36%. Greenvale median house value is $491,700 in 2010-2014 and has grown by 54.33% since 2000. The house value growth rate is much 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 Greenvale is much better than the state average in quality. The Greenvale area code is 516.