Richland is located in southeast Washington. Richland is part of Benton County. Richland has 35.72 square miles of land area and 3.39 square miles of water area. As of 2010-2014, the total Richland population is 51,116, which has grown 32.06% since 2000. The population growth rate is much higher than the state average rate of 17.05% and is much higher than the national average rate of 11.61%. Richland median household income is $69,372 in 2010-2014 and has grown by 30.66% since 2000. The income growth rate is about the same as the state average rate of 31.72% and is higher than the national average rate of 27.36%. Richland median house value is $200,800 in 2010-2014 and has grown by 56.39% since 2000. The house value growth rate is higher than the state average rate of 52.82% 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 Richland is better than the state average in quality. The Richland area code is 509.