Chantilly is located in northeast Virginia. Chantilly is between the Fairfax, Loudoun county. Chantilly has 12.02 square miles of land area and 0.13 square miles of water area. As of 2010-2014, the total Chantilly population is 23,431, which has shrunk 42.91% since 2000. The population growth rate is much lower than the state average rate of 15.63% and is much lower than the national average rate of 11.61%. Chantilly median household income is $118,991 in 2010-2014 and has grown by 35.23% since 2000. The income growth rate is lower than the state average rate of 38.81% and is higher than the national average rate of 27.36%. Chantilly median house value is $446,600 in 2010-2014 and has grown by 106.76% since 2000. The house value growth rate is higher than the state average rate of 94.18% 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 Chantilly is much better than the state average in quality. The Chantilly area code is 703.