Plaquemine is located close to the center of Louisiana. Plaquemine is part of Iberville County. Plaquemine has 2.92 square miles of land area and 0.08 square miles of water area. As of 2010-2014, the total Plaquemine population is 7,055, which has shrunk 0.13% since 2000. The population growth rate is lower than the state average rate of 2.96% and is much lower than the national average rate of 11.61%. Plaquemine median household income is $46,002 in 2010-2014 and has grown by 62.18% since 2000. The income growth rate is much higher than the state average rate of 38.15% and is much higher than the national average rate of 27.36%. Plaquemine median house value is $108,500 in 2010-2014 and has grown by 51.96% since 2000. The house value growth rate is lower than the state average rate of 65.18% 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 Plaquemine is worse than the state average in quality. The Plaquemine area code is 225.