As of the census[REF] of 2000, there were 18,272 people, 7,001 households, and 4,746 families residing in the city.
In the city, the population was spread out with 29.9% under the age of 18, 10.4% from 18 to 24, 26.0% from 25 to 44, 19.6% from 45 to 64, and 14.1% who were 65 years of age or older.