Delphos is located in southwest Iowa. Delphos is part of Ringgold County. Delphos has 0.22 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Delphos population is 20, which has shrunk 20.00% since 2000. The population growth rate is much lower than the state average rate of 5.19% and is much lower than the national average rate of 11.61%. Delphos median household income is $10,000 in 2010-2014 and has has shrunk by 69.81% since 2000. The income growth rate is much lower than the state average rate of 33.56% and is much lower than the national average rate of 27.36%. Delphos median house value is $71,700 in 2010-2014 and has shrunk by -201.26% since 2000. The house value growth rate is much higher than the state average rate of 53.09% and is much 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 Delphos is much better than the state average in quality.