Stem, NC has a population of 1,023 and is the 15,009th largest city in the United States. The population density is 677 per sq mi which is 274% higher than the North Carolina average and 647% higher than the national average. The median age in Stem is 32 which is approximately 15% lower than the North Carolina average of 38. In Stem, 58% of the population over 15 years of age are married, 86% speak English and 14% speak Spanish. 47% of Stem residents were born in North Carolina, 47% were born out of state, 0% were born outside of the United States and 6% were foreign born.