Plymouth is located in southeast Wisconsin. Plymouth is part of Sheboygan County. Plymouth has 5.26 square miles of land area and 0.08 square miles of water area. As of 2010-2014, the total Plymouth population is 8,408, which has grown 8.06% since 2000. The population growth rate is higher than the state average rate of 6.73% and is lower than the national average rate of 11.61%. Plymouth median household income is $47,608 in 2010-2014 and has grown by 13.08% since 2000. The income growth rate is much lower than the state average rate of 20.43% and is much lower than the national average rate of 27.36%. Plymouth median house value is $145,900 in 2010-2014 and has grown by 32.40% since 2000. The house value growth rate is lower than the state average rate of 47.86% and is 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 Plymouth is much better than the state average in quality. The Plymouth area code is 920.