Billiou-Stillwell-Perine House was listed on the National Register of Historic Places in 1976. Demographics For census purposes, the New York City government classifies Dongan Hills as part of a larger neighborhood tabulation area called Old Town-Dongan Hills-South Beach. Based on data from the 2010 United States Census, the population of Old Town-Dongan Hills-South Beach was 24,835, a change of 1,818 (7.3%) from the 23,017 counted in 2000. Covering an area of , the neighborhood had a population density of . The racial makeup of the neighborhood was 74% (18,381) White, 3.1% (763) African American, 0.1% (36) Native American, 7.5% (1,860) Asian, 0% (9) Pacific Islander, 0.3% (69) from other races, and 1.4% (336) from two or more races. Hispanic or Latino of any race were 13.6% (3,381) of the population. The entirety of Community District 2, which comprises Dongan Hills and other Mid-Island neighborhoods, had 134,657 inhabitants as of NYC Health's 2018 Community Health Profile, with an average life expectancy of 81.2 years. This is the same as the median life expectancy of 81.2 for all New York City neighborhoods. Most inhabitants are youth and middle-aged adults: 20% are between the ages of between 0–17, 25% between 25–44, and 29% between 45–64. The ratio of college-aged and elderly residents was lower, at 8% and 18% respectively. As of 2017, the median household income in Community District 2 was $81,487, though the median income in Dongan Hills individually was $73,378. In 2018, an estimated 14% of Dongan Hills and Mid-Island residents lived in poverty, compared to 17% in all of Staten Island and 20% in all of New York City. One in sixteen residents (6%) were unemployed, compared to 6% in Staten Island and 9% in New York City. Rent burden, or the percentage of residents who have difficulty paying their rent, is 52% in Dongan Hills and Mid-Island, compared to the boroughwide and citywide rates of 49% and 51% respectively. Based on this calculation, , Dongan Hills and Mid-Island are considered high-income relative to the rest of the city and not gentrifying. Police and crime Dongan Hills and Mid-Island are patrolled by the 122nd Precinct of the NYPD, located at 2320 Hylan Boulevard. The 122nd Precinct ranked 2nd safest out of 69 patrol areas for per-capita crime in 2010, behind only the 123rd Precinct on Staten Island's South Shore. , with a non-fatal assault rate of 40 per 100,000 people,