Helena is located in northwest Ohio. Helena is part of Sandusky County. Helena has 0.30 square miles of land area and has no water area. As of 2010-2014, the total Helena population is 264, which has grown 11.86% since 2000. The population growth rate is much higher than the state average rate of 1.83% and is about the same as the national average rate of 11.61%. Helena median household income is $40,833 in 2010-2014 and has grown by 9.50% since 2000. The income growth rate is much lower than the state average rate of 19.27% and is much lower than the national average rate of 27.36%. Helena median house value is $98,600 in 2010-2014 and has grown by 41.67% since 2000. The house value growth rate is much higher than the state average rate of 24.98% and is 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 Helena is close to the state average in quality. The Helena area codes are 419, 567.