In the city, the population was spread out with 27.9% under the age of 18, 13.4% from 18 to 24, 32.0% from 25 to 44, 17.7% from 45 to 64, and 9.0% who were 65 years of age or older.
27,9 % населения Норт-Чарлстона были младше 18 лет, 13,4 % — в возрасте от 18 до 24 лет, 32 % — от 25 до 44 лет, 17,7 % — от 45 до 64 лет и 9 % жителей были старше 65 лет.