Micro, NC has a population of 661 and is the 17,821st largest city in the United States. The population density is 1,720 per sq mi which is 850% higher than the North Carolina average and 1798% higher than the national average. The median age in Micro is 40 which is approximately 4% higher than the North Carolina average of 38. In Micro, 56% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 77% of Micro residents were born in North Carolina, 22% were born out of state, 0% were born outside of the United States and 1% were foreign born.