Westfield is located in west New York. Westfield is part of Chautauqua County. Westfield has 3.82 square miles of land area and has no water area. As of 2010-2014, the total Westfield population is 3,571, which has grown 2.59% since 2000. The population growth rate is lower than the state average rate of 3.26% and is much lower than the national average rate of 11.61%. Westfield median household income is $43,500 in 2010-2014 and has grown by 35.36% 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%. Westfield median house value is $86,800 in 2010-2014 and has grown by 23.47% since 2000. The house value growth rate is much lower than the state average rate of 90.79% and is much lower 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 Westfield is better than the state average in quality. The Westfield area code is 716.