Chinatown lies in Manhattan Community District 3, which encompasses Chinatown, the East Village, and the Lower East Side. Community District 3 had 171,103 residents as of NYC Health's 2018 Community Health Profile, with an average life expectancy of 82.2 years. This is higher than the median life expectancy of 81.2 for all New York City neighborhoods. Most residents are adults: a plurality (35%) are between the ages of 25–44, while 25% are between 45–64, and 16% are 65 or older. The ratio of youth and college-aged residents was lower, at 13% and 11% respectively.