Valhalla is located in southeast New York. Valhalla is part of Westchester County. Valhalla has 0.83 square miles of land area and has no water area. As of 2010-2014, the total Valhalla population is 3,219, which has shrunk 40.16% 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%. Valhalla median household income is $106,413 in 2010-2014 and has grown by 40.01% 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%. Valhalla median house value is $548,100 in 2010-2014 and has grown by 62.02% 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 Valhalla is much better than the state average in quality. The Valhalla area code is 914.