Kannapolis, NC has a population of 45,685 and is the 898th largest city in the United States. The population density is 1,401 per sq mi which is 543% higher than the North Carolina average and 1446% higher than the national average. The median age in Kannapolis is 35 which is approximately 8% lower than the North Carolina average of 38. In Kannapolis, 58% of the population over 15 years of age are married, 88% speak English and 11% speak Spanish. 60% of Kannapolis residents were born in North Carolina, 32% were born out of state, 1% were born outside of the United States and 7% were foreign born.