Logan, OH has a population of 7,205 and is the 5,076th largest city in the United States. The population density is 1,504 per sq mi which is 484% higher than the Ohio average and 1560% higher than the national average. The median age in Logan is 39 which is approximately equal to the Ohio average of 39. In Logan, 57% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 87% of Logan residents were born in Ohio, 11% were born out of state, 0% were born outside of the United States and 1% were foreign born.