The 2016 Charlotte, North Carolina, population is 827,097. There are 2,726 people per square mile (population density). The median age is 33.6. The US median is 37.4. 45.64% of people in Charlotte, North Carolina, are married. 10.35% are divorced. The average household size is 2.55 people. 32.12% of people are married, with children. 22.73% have children, but are single.