Westphalia is located in south Michigan. Westphalia is between the Clinton, Gratiot, Ionia county. Westphalia has 1.11 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Westphalia population is 838, which has shrunk 4.34% since 2000. The population growth rate is lower than the state average rate of -0.50% and is much lower than the national average rate of 11.61%. Westphalia median household income is $51,500 in 2010-2014 and has has shrunk by 1.90% since 2000. The income growth rate is much lower than the state average rate of 9.90% and is much lower than the national average rate of 27.36%. Westphalia median house value is $148,900 in 2010-2014 and has shrunk by -25.34% since 2000. The house value growth rate is much higher than the state average rate of 3.98% 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 Westphalia is much better than the state average in quality. The Westphalia area code is 989.