 The average household size was 2.44 and the average family size was 3.00.Mokane's population was spread out, with 28.7% under the age of 18, 8.0% from 18 to 24, 31.4% from 25 to 44, 18.6% from 45 to 64, and 13.3% who were 65 years of age or older.The median age was 32 years.