Sedalia, NC has a population of 574 and is the 18,710th largest city in the United States. The population density is 287 per sq mi which is 58% higher than the North Carolina average and 217% higher than the national average. The median age in Sedalia is 49 which is approximately 27% higher than the North Carolina average of 38. In Sedalia, 50% of the population over 15 years of age are married, 91% speak English and 7% speak Spanish. 75% of Sedalia residents were born in North Carolina, 21% were born out of state, 0% were born outside of the United States and 3% were foreign born.