Danville is located in west California. Danville is part of Contra Costa County. Danville has 18.03 square miles of land area and has no water area. As of 2010-2014, the total Danville population is 42,891, which has grown 2.82% since 2000. The population growth rate is much lower than the state average rate of 12.39% and is much lower than the national average rate of 11.61%. Danville median household income is $140,616 in 2010-2014 and has grown by 23.28% since 2000. The income growth rate is lower than the state average rate of 29.47% and is lower than the national average rate of 27.36%. Danville median house value is $852,400 in 2010-2014 and has grown by 57.44% since 2000. The house value growth rate is lower than the state average rate of 75.60% 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 Danville is much better than the state average in quality. The Danville area code is 925.