Congress is located close to the center of Arizona. Congress is part of Yavapai County. Congress has 37.66 square miles of land area and 0.04 square miles of water area. As of 2010-2014, the total Congress population is 1,138, which has shrunk 33.72% since 2000. The population growth rate is much lower than the state average rate of 27.89% and is much lower than the national average rate of 11.61%. Congress median household income is $38,094 in 2010-2014 and has grown by 36.69% since 2000. The income growth rate is much higher than the state average rate of 23.10% and is higher than the national average rate of 27.36%. Congress median house value is $112,100 in 2010-2014 and has grown by 32.66% since 2000. The house value growth rate is about the same as the state average rate of 34.30% 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 Congress is much better than the state average in quality. The Congress area code is 928.