Opelousas is located close to the center of Louisiana. Opelousas is part of Saint Landry County. Opelousas has 7.91 square miles of land area and has no water area. As of 2010-2014, the total Opelousas population is 16,668, which has shrunk 27.09% since 2000. The population growth rate is much lower than the state average rate of 2.96% and is much lower than the national average rate of 11.61%. Opelousas median household income is $21,373 in 2010-2014 and has grown by 45.23% since 2000. The income growth rate is higher than the state average rate of 38.15% and is much higher than the national average rate of 27.36%. Opelousas median house value is $84,500 in 2010-2014 and has grown by 55.90% 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 Opelousas is better than the state average in quality. The Opelousas area code is 337.