Dillonvale is located in southwest Ohio. Dillonvale is between the Jefferson, Belmont county. Dillonvale has 0.89 square miles of land area and has no water area. As of 2010-2014, the total Dillonvale population is 3,685, which has shrunk 0.83% since 2000. The population growth rate is lower than the state average rate of 1.83% and is much lower than the national average rate of 11.61%. Dillonvale median household income is $64,439 in 2010-2014 and has grown by 42.23% since 2000. The income growth rate is much higher than the state average rate of 19.27% and is much higher than the national average rate of 27.36%. Dillonvale median house value is $135,600 in 2010-2014 and has grown by 28.65% since 2000. The house value growth rate is higher than the state average rate of 24.98% 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 Dillonvale is close to the state average in quality. The Dillonvale area code is 740.