Dumbarton is located close to the center of Virginia. Dumbarton has 1.88 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Dumbarton population is 8,346, which has grown 25.05% since 2000. The population growth rate is much higher than the state average rate of 15.63% and is much higher than the national average rate of 11.61%. Dumbarton median household income is $36,432 in 2010-2014 and has grown by 9.41% since 2000. The income growth rate is much lower than the state average rate of 38.81% and is much lower than the national average rate of 27.36%. Dumbarton median house value is $145,400 in 2010-2014 and has grown by 54.35% since 2000. The house value growth rate is much lower than the state average rate of 94.18% 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 Dumbarton is better than the state average in quality.