Uniondale is located in southeast New York. Uniondale is part of Nassau County. Uniondale has 2.71 square miles of land area and has no water area. As of 2010-2014, the total Uniondale population is 24,787, which has grown 7.72% since 2000. The population growth rate is higher than the state average rate of 3.26% and is lower than the national average rate of 11.61%. Uniondale median household income is $71,953 in 2010-2014 and has grown by 17.17% since 2000. The income growth rate is much lower than the state average rate of 35.25% and is much lower than the national average rate of 27.36%. Uniondale median house value is $304,100 in 2010-2014 and has grown by 82.31% 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 Uniondale is worse than the state average in quality. The Uniondale area code is 516.