Vandalia is located in northeast Missouri. Vandalia is between the Audrain, Pike, Ralls county. Vandalia has 2.24 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Vandalia population is 4,019, which has grown 58.92% since 2000. The population growth rate is much higher than the state average rate of 7.74% and is much higher than the national average rate of 11.61%. Vandalia median household income is $33,780 in 2010-2014 and has grown by 33.98% since 2000. The income growth rate is higher than the state average rate of 25.91% and is higher than the national average rate of 27.36%. Vandalia median house value is $56,400 in 2010-2014 and has grown by 25.33% since 2000. The house value growth rate is much lower than the state average rate of 52.06% 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 Vandalia is close to the state average in quality. The Vandalia area code is 573.