Gardiner is located in southeast New York. Gardiner is part of Ulster County. Gardiner has 3.86 square miles of land area and has no water area. As of 2010-2014, the total Gardiner population is 691, which has shrunk 19.28% 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%. Gardiner median household income is $58,950 in 2010-2014 and has grown by 21.89% since 2000. The income growth rate is much lower than the state average rate of 35.25% and is lower than the national average rate of 27.36%. Gardiner median house value is $250,000 in 2010-2014 and has grown by 89.25% since 2000. The house value growth rate is about the same as 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 Gardiner is close to the state average in quality. The Gardiner area code is 845.