Westhampton is located in southeast New York. Westhampton is part of Suffolk County. Westhampton has 12.67 square miles of land area and 2.19 square miles of water area. As of 2010-2014, the total Westhampton population is 2,978, which has grown 3.80% since 2000. The population growth rate is higher than the state average rate of 3.26% and is much lower than the national average rate of 11.61%. Westhampton median household income is $91,576 in 2010-2014 and has grown by 36.43% since 2000. The income growth rate is about the same as the state average rate of 35.25% and is higher than the national average rate of 27.36%. Westhampton median house value is $659,000 in 2010-2014 and has grown by 133.19% since 2000. The house value growth rate is higher 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 Westhampton is better than the state average in quality. The Westhampton area code is 631.