 Langley's population was spread out with 19.7% under the age of 18, 5.8% from 18 to 24, 15.7% from 25 to 44, 35.5% from 45 to 64, and 23.3% who were 65 years of age or older.The median age was 49 years.For every 100 females, there were 76.9 males.