Sedalia, CO has a population of 157 and is the 25,489th largest city in the United States. The population density is 115 per sq mi which is 131% higher than the Colorado average and 27% higher than the national average. The median age in Sedalia is 39 which is approximately 6% higher than the Colorado average of 36. In Sedalia, 51% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 46% of Sedalia residents were born in Colorado, 54% were born out of state, 0% were born outside of the United States and 0% were foreign born.