Whitehorse is located close to the center of South Dakota. Whitehorse is part of Dewey County. Whitehorse has 2.74 square miles of land area and has no water area. As of 2010-2014, the total Whitehorse population is 163, which has grown 15.60% since 2000. The population growth rate is much higher than the state average rate of 10.58% and is higher than the national average rate of 11.61%. Whitehorse median household income is $30,769 in 2010-2014 and has grown by 89.35% 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%. Whitehorse median house value is $28,100 in 2010-2014 and has grown by -37.56% since 2000. The house value growth rate is much lower than the state average rate of 70.48% and is much lower 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 Whitehorse is much better than the state average in quality. The Whitehorse area code is 605.