The population was spread out with 7,351 people (28.8%) under the age of 18, 3,687 people (14.4%) aged 18 to 24, 8,621 people (33.7%) aged 25 to 44, 4,593 people (18.0%) aged 45 to 64, and 1,293 people (5.1%) who were 65 years of age or older.
As of the census[REF] of 2000, there were 21,263 people, 3,971 households, and 3,403 families residing in the city.