Dallas is located in southeast South Dakota. Dallas is between the Gregory, Tripp county. Dallas has 0.50 square miles of land area and has no water area. As of 2010-2014, the total Dallas population is 97, which has shrunk 32.64% since 2000. The population growth rate is much lower than the state average rate of 10.58% and is much lower than the national average rate of 11.61%. Dallas median household income is $33,000 in 2010-2014 and has grown by 84.18% since 2000. The income growth rate is much higher than the state average rate of 42.67% and is much higher than the national average rate of 27.36%. Dallas median house value is $34,600 in 2010-2014 and has grown by 67.96% since 2000. The house value growth rate is about the same as the state average rate of 70.48% 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 Dallas is much better than the state average in quality. The Dallas area code is 605.