Westville is located in southwest New Jersey. Westville is part of Gloucester County. Westville has 1.02 square miles of land area and 0.35 square miles of water area. As of 2010-2014, the total Westville population is 4,263, which has shrunk 5.27% since 2000. The population growth rate is much lower than the state average rate of 5.47% and is much lower than the national average rate of 11.61%. Westville median household income is $60,186 in 2010-2014 and has grown by 52.10% since 2000. The income growth rate is much higher than the state average rate of 30.67% and is much higher than the national average rate of 27.36%. Westville median house value is $158,700 in 2010-2014 and has grown by 73.44% since 2000. The house value growth rate is lower than the state average rate of 87.30% 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 Westville is close to the state average in quality. The Westville area code is 856.