Piedmont is located in west California. Piedmont is part of Alameda County. Piedmont has 1.68 square miles of land area and has no water area. As of 2010-2014, the total Piedmont population is 10,957, which has grown 0.05% 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%. Piedmont median household income is $212,222 in 2010-2014 and has grown by 58.06% since 2000. The income growth rate is much higher than the state average rate of 29.47% and is much higher than the national average rate of 27.36%. Piedmont median house value is $1,000,001 in 2010-2014 and has grown by 31.58% since 2000. The house value growth rate is much lower than the state average rate of 75.60% and is 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 Piedmont is much better than the state average in quality. The Piedmont area code is 510.