Cañon City, CO has a population of 16,445 and is the 2,598th largest city in the United States. The population density is 1,322 per sq mi which is 2555% higher than the Colorado average and 1359% higher than the national average. The median age in Cañon City is 42 which is approximately 16% higher than the Colorado average of 36. In Cañon City, 59% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 51% of Cañon City residents were born in Colorado, 46% were born out of state, 2% were born outside of the United States and 1% were foreign born.