Washington is located close to the center of Louisiana. Washington is between the Saint Landry, Evangeline county. Washington has 0.83 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Washington population is 656, which has shrunk 39.37% 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%. Washington median household income is $21,591 in 2010-2014 and has grown by 77.31% 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%. Washington median house value is $91,300 in 2010-2014 and has grown by 60.46% 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 Washington is better than the state average in quality. The Washington area code is 337.