Haverhill is located close to the center of Iowa. Haverhill is part of Marshall County. Haverhill has 0.13 square miles of land area and has no water area. As of 2010-2014, the total Haverhill population is 175, which has grown 2.94% since 2000. The population growth rate is lower than the state average rate of 5.19% and is much lower than the national average rate of 11.61%. Haverhill median household income is $70,938 in 2010-2014 and has grown by 56.19% since 2000. The income growth rate is much higher than the state average rate of 33.56% and is much higher than the national average rate of 27.36%. Haverhill median house value is $96,400 in 2010-2014 and has grown by 37.71% 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 Haverhill is much better than the state average in quality. The Haverhill area code is 641.