Northampton is located in southeast New York. Northampton is part of Suffolk County. Northampton has 11.55 square miles of land area and 0.10 square miles of water area. As of 2010-2014, the total Northampton population is 548, which has grown 17.09% since 2000. The population growth rate is much higher than the state average rate of 3.26% and is much higher than the national average rate of 11.61%. Northampton median household income is $40,000 in 2010-2014 and has has shrunk by 15.79% 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%. Northampton median house value is $305,300 in 2010-2014 and has shrunk by -208.07% since 2000. The house value growth rate is much 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 Northampton is close to the state average in quality.