The entirety of Community Board 12, which mainly comprises Jamaica but also includes Hollis, had 232,911 inhabitants as of NYC Health's 2018 Community Health Profile, with an average life expectancy of 80.5 years. This is slightly lower than the median life expectancy of 81.2 for all New York City neighborhoods. Most inhabitants are youth and middle-aged adults: 22% are between the ages of between 0–17, 27% between 25–44, and 27% between 45–64. The ratio of college-aged and elderly residents was lower, at 10% and 14% respectively.