Coalville is located close to the center of Iowa. Coalville is part of Webster County. Coalville has 2.18 square miles of land area and 0.07 square miles of water area. As of 2010-2014, the total Coalville population is 646, which has grown 9.31% since 2000. The population growth rate is higher than the state average rate of 5.19% and is lower than the national average rate of 11.61%. Coalville median household income is $42,045 in 2010-2014 and has has shrunk by 3.90% since 2000. The income growth rate is much lower than the state average rate of 33.56% and is much lower than the national average rate of 27.36%. Coalville median house value is $87,500 in 2010-2014 and has shrunk by -37.80% since 2000. The house value growth rate is lower than the state average rate of 53.09% 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 Coalville is much better than the state average in quality.