Welton is located in east Iowa. Welton is part of Clinton County. Welton has 0.27 square miles of land area and has no water area. As of 2010-2014, the total Welton population is 157, which has shrunk 1.26% 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%. Welton median household income is $62,000 in 2010-2014 and has grown by 27.18% since 2000. The income growth rate is lower than the state average rate of 33.56% and is about the same as the national average rate of 27.36%. Welton median house value is $96,700 in 2010-2014 and has grown by 56.22% since 2000. The house value growth rate is higher than 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 Welton is much better than the state average in quality. The Welton area code is 319.