 The average household size was 2.99.There were 6,070 families (74.1% of all households); the average family size was 3.42.The population was spread out, with 7,547 people (30.8%) under the age of 18, 3,053 people (12.4%) aged 18 to 24, 7,184 people (29.3%) aged 25 to 44, 4,955 people (20.2%) aged 45 to 64, and 1,792 people (7.3%) who were 65 years of age or older.