Caldwell is located in west Idaho. Caldwell is between the Canyon, Gem, Payette county. Caldwell has 22.06 square miles of land area and 0.05 square miles of water area. As of 2010-2014, the total Caldwell population is 48,114, which has grown 85.29% since 2000. The population growth rate is much higher than the state average rate of 23.61% and is much higher than the national average rate of 11.61%. Caldwell median household income is $41,368 in 2010-2014 and has grown by 34.10% since 2000. The income growth rate is higher than the state average rate of 25.98% and is higher than the national average rate of 27.36%. Caldwell median house value is $103,000 in 2010-2014 and has grown by 21.61% since 2000. The house value growth rate is much lower than the state average rate of 50.99% and is much 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 Caldwell is worse than the state average in quality. The Caldwell area code is 208.