Rockford, OH has a population of 1,172 and is the 14,167th largest city in the United States. The population density is 1,430 per sq mi which is 455% higher than the Ohio average and 1479% higher than the national average. The median age in Rockford is 37 which is approximately 7% lower than the Ohio average of 39. In Rockford, 64% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 78% of Rockford residents were born in Ohio, 21% were born out of state, 0% were born outside of the United States and 0% were foreign born.