The 2010 United States Census[REF] reported that Azusa had a population of 46,361.
The population was spread out with 12,407 people (26.8%) under the age of 18, 7,724 people (16.7%) aged 18 to 24, 13,185 people (28.4%) aged 25 to 44, 9,469 people (20.4%) aged 45 to 64, and 3,576 people (7.7%) who were 65 years of age or older.