Concord is located in west California. Concord is part of Contra Costa County. Concord has 30.55 square miles of land area and has no water area. As of 2010-2014, the total Concord population is 125,017, which has grown 2.66% 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%. Concord median household income is $67,122 in 2010-2014 and has grown by 20.73% 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%. Concord median house value is $368,900 in 2010-2014 and has grown by 57.85% 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 Concord is better than the state average in quality. The Concord area code is 925.