Westborough is located close to the center of Massachusetts. Westborough is part of Worcester County. Westborough has 1.89 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Westborough population is 4,061, which has grown 1.96% since 2000. The population growth rate is lower than the state average rate of 4.85% and is much lower than the national average rate of 11.61%. Westborough median household income is $77,647 in 2010-2014 and has grown by 62.75% since 2000. The income growth rate is much higher than the state average rate of 34.34% and is much higher than the national average rate of 27.36%. Westborough median house value is $334,200 in 2010-2014 and has grown by 65.94% since 2000. The house value growth rate is lower than the state average rate of 77.65% and is 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 Westborough is much better than the state average in quality. The Westborough area code is 508.