Waterloo is located in northeast Indiana. Waterloo is between the De Kalb, Steuben county. Waterloo has 1.74 square miles of land area and has no water area. As of 2010-2014, the total Waterloo population is 2,437, which has grown 10.77% since 2000. The population growth rate is higher than the state average rate of 7.60% and is lower than the national average rate of 11.61%. Waterloo median household income is $39,722 in 2010-2014 and has has shrunk by 0.27% since 2000. The income growth rate is much lower than the state average rate of 17.25% and is much lower than the national average rate of 27.36%. Waterloo median house value is $83,800 in 2010-2014 and has shrunk by -22.69% since 2000. The house value growth rate is lower than the state average rate of 30.12% and is much 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 Waterloo is better than the state average in quality. The Waterloo area code is 260.