Wallingford is located in northwest Iowa. Wallingford is part of Emmet County. Wallingford has 0.97 square miles of land area and has no water area. As of 2010-2014, the total Wallingford population is 165, which has shrunk 21.43% since 2000. The population growth rate is much lower than the state average rate of 5.19% and is much lower than the national average rate of 11.61%. Wallingford median household income is $49,107 in 2010-2014 and has grown by 24.32% since 2000. The income growth rate is lower than the state average rate of 33.56% and is lower than the national average rate of 27.36%. Wallingford median house value is $63,200 in 2010-2014 and has grown by 55.28% since 2000. The house value growth rate is about the same as the state average rate of 53.09% and is higher 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 Wallingford is much better than the state average in quality. The Wallingford area code is 712.