Salem is located in east Ohio. Salem is between the Columbiana, Mahoning county. Salem has 6.42 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Salem population is 12,214, which has grown 0.14% since 2000. The population growth rate is lower than the state average rate of 1.83% and is much lower than the national average rate of 11.61%. Salem median household income is $39,587 in 2010-2014 and has grown by 31.93% since 2000. The income growth rate is much higher than the state average rate of 19.27% and is higher than the national average rate of 27.36%. Salem median house value is $88,400 in 2010-2014 and has grown by 14.66% since 2000. The house value growth rate is much lower than the state average rate of 24.98% 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 Salem is close to the state average in quality. The Salem area code is 330.