Conneaut, OH has a population of 12,782 and is the 3,252nd largest city in the United States. The population density is 484 per sq mi which is 88% higher than the Ohio average and 434% higher than the national average. The median age in Conneaut is 42 which is approximately 7% higher than the Ohio average of 39. In Conneaut, 55% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 75% of Conneaut residents were born in Ohio, 23% were born out of state, 0% were born outside of the United States and 1% were foreign born.