Harrod, OH has a population of 425 and is the 20,537th largest city in the United States. The population density is 1,817 per sq mi which is 605% higher than the Ohio average and 1905% higher than the national average. The median age in Harrod is 33 which is approximately 16% lower than the Ohio average of 39. In Harrod, 61% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 87% of Harrod residents were born in Ohio, 13% were born out of state, 0% were born outside of the United States and 0% were foreign born.