Myrtle Grove, NC has a population of 9,872 and is the 3,971st largest city in the United States. The population density is 1,472 per sq mi which is 713% higher than the North Carolina average and 1525% higher than the national average. The median age in Myrtle Grove is 44 which is approximately 14% higher than the North Carolina average of 38. In Myrtle Grove, 70% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 52% of Myrtle Grove residents were born in North Carolina, 45% were born out of state, 1% were born outside of the United States and 2% were foreign born.