 The average household size was 2.31 and the average family size was 2.92.In the city, the population was spread out, with 23.1% under the age of 18, 6.1% from 18 to 24, 26.9% from 25 to 44, 25.3% from 45 to 64, and 18.6% who were 65 years of age or older.The median age was 41 years.