Dallas is located in west Oregon. Dallas is part of Polk County. Dallas has 4.81 square miles of land area and has no water area. As of 2010-2014, the total Dallas population is 14,788, which has grown 18.69% since 2000. The population growth rate is higher than the state average rate of 14.00% and is much higher than the national average rate of 11.61%. Dallas median household income is $50,170 in 2010-2014 and has grown by 39.49% since 2000. The income growth rate is much higher than the state average rate of 23.47% and is higher than the national average rate of 27.36%. Dallas median house value is $186,800 in 2010-2014 and has grown by 48.02% since 2000. The house value growth rate is lower than the state average rate of 53.91% and is about the same as 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 Dallas is close to the state average in quality. The Dallas area code is 503.