Central City, CO has a population of 699 and is the 17,494th largest city in the United States. The population density is 286 per sq mi which is 474% higher than the Colorado average and 215% higher than the national average. The median age in Central City is 47 which is approximately 30% higher than the Colorado average of 36. In Central City, 40% of the population over 15 years of age are married, 95% speak English and 3% speak Spanish. 39% of Central City residents were born in Colorado, 55% were born out of state, 4% were born outside of the United States and 2% were foreign born.