Haddam is located in northeast Kansas. Haddam is between the Washington, Republic county. Haddam has 0.35 square miles of land area and has no water area. As of 2010-2014, the total Haddam population is 96, which has shrunk 43.20% since 2000. The population growth rate is much lower than the state average rate of 7.24% and is much lower than the national average rate of 11.61%. Haddam median household income is $44,375 in 2010-2014 and has grown by 121.88% since 2000. The income growth rate is much higher than the state average rate of 27.69% and is much higher than the national average rate of 27.36%. Haddam median house value is $22,100 in 2010-2014 and has grown by 54.55% since 2000. The house value growth rate is about the same as the state average rate of 54.97% 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 Haddam is much better than the state average in quality. The Haddam area code is 785.