Canal Winchester, OH has a population of 7,774 and is the 4,806th largest city in the United States. The population density is 1,042 per sq mi which is 304% higher than the Ohio average and 1050% higher than the national average. The median age in Canal Winchester is 43 which is approximately 10% higher than the Ohio average of 39. In Canal Winchester, 66% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 75% of Canal Winchester residents were born in Ohio, 22% were born out of state, 0% were born outside of the United States and 3% were foreign born.