Isabel is located in northwest South Dakota. Isabel is between the Dewey, Corson, Ziebach county. Isabel has 0.91 square miles of land area and has no water area. As of 2010-2014, the total Isabel population is 175, which has shrunk 26.78% 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%. Isabel median household income is $45,625 in 2010-2014 and has grown by 211.58% 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%. Isabel median house value is $28,500 in 2010-2014 and has grown by 42.50% since 2000. The house value growth rate is much lower than the state average rate of 70.48% and is 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 Isabel is much better than the state average in quality. The Isabel area code is 605.