Chesapeake, OH has a population of 833 and is the 16,326th largest city in the United States. The population density is 1,759 per sq mi which is 583% higher than the Ohio average and 1841% higher than the national average. The median age in Chesapeake is 34 which is approximately 15% lower than the Ohio average of 39. In Chesapeake, 51% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 19% of Chesapeake residents were born in Ohio, 81% were born out of state, 0% were born outside of the United States and 0% were foreign born.