Portage is located in north Indiana. Portage is between the Porter, Lake county. Portage has 25.63 square miles of land area and 1.98 square miles of water area. As of 2010-2014, the total Portage population is 37,008, which has grown 10.48% 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%. Portage median household income is $51,180 in 2010-2014 and has grown by 7.75% 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%. Portage median house value is $135,300 in 2010-2014 and has grown by 24.13% 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 Portage is better than the state average in quality. The Portage area code is 219.