dance. It was built by rehabilitating a former 19th century Croton Aqueduct building at 135th St and Convent Avenue. Upon completion, both Aaron Davis Hall and the Gatehouse Theater evolved to share a common name, Harlem Stage. Demographics Based on data from the 2010 United States Census, the population of Manhattanville was 22,950, a decrease of 1,822 (7.4%) from the 24,772 counted in 2000. Covering an area of , the neighborhood had a population density of . The racial makeup of the neighborhood was 7.5% (1,710) White, 25.8% (5,918) African American, 0.3% (77) Native American, 2.2% (496) Asian, 0.0% (5) Pacific Islander, 0.3% (76) from other races, and 1.1% (255) from two or more races. Hispanic or Latino of any race were 62.8% (14,413) of the population. The most significant changes in the racial composition of Manhattanville were the increase in the White population by 234% (1,710), the decrease in the Black population by 22% (1,656), and the decrease in the Latino population by 9% (1,508). The Asian population also increased by 75% (212) but remained a small minority, and the very small population of all other races decreased by 14% (68). The entirety of Community District 9, which encompasses Manhattanville. Morningside Heights, and Hamilton Heights, had 111,287 inhabitants as of NYC Health's 2018 Community Health Profile, with an average life expectancy of 81.4 years. This is about the same as the median life expectancy of 81.2 for all New York City neighborhoods. Most residents are children and middle-aged adults: 34% are between the ages of 25–44, while 21% are between 45–64, and 17% are between 0–17. The ratio of college-aged and elderly residents was lower, at 16% and 12% respectively. As of 2017, the median household income in Community District 9 was $50,048, though the median income in Manhattanville individually was $41,453. In 2018, an estimated 24% of Community District 9 residents lived in poverty, compared to 14% in all of Manhattan and 20% in all of New York City. One in twelve residents (8%) were unemployed, compared to 7% in Manhattan and 9% in New York City. Rent burden, or the percentage of residents who have difficulty paying their rent, is 51% in Community District 9, compared to the boroughwide and citywide rates of 45% and 51% respectively. Based on this calculation, , Community District 9 is considered to be gentrifying: according to the Community Health Profile, the