Harmony is a town in Iredell County, North Carolina, United States. The population was 533 at the 2010 census. The town is located in northeastern Iredell County and lies in the eastern portion of the North Carolina High Country.Harmony is located at 35°57′42″N 80°46′26″W / 35.96167°N 80.77389°W / 35.96167; -80.77389.According to the United States Census Bureau, the town has a total area of 1.4 square miles, all of it land.As of the census of 2010, there were 533 people, 206 households, and 150 families residing in the town. The population density was 380.7 people per square mile. There were 223 housing units at an average density of 161.3 per square mile. The racial makeup of the town was 91.44% White, 5.89% African American, 1.90% Native American, 0.38% from other races, and 0.38% from two or more races. Hispanic or Latino of any race were 2.47% of the population.There were 206 households out of which 32.0% had children under the age of 18 living with them, 55.