Bay Ridge is a residential neighborhood in the southwest corner of the New York City borough of Brooklyn. It is bounded by Sunset Park on the north, Dyker Heights on the east, the Narrows and the Belt Parkway on the west, and Fort Hamilton Army Base and the Verrazzano-Narrows Bridge on the south. The section of Bay Ridge south of 86th Street is sometimes considered part of a sub-neighborhood called Fort Hamilton.
Based on data from the 2010 United States Census, the population of Bay Ridge was 79,371, a decrease of 1,168 (1.5%) from the 80,539 counted in 2000. Covering an area of 1,571.96 acres (636.15 ha), the neighborhood had a population density of 50.5 inhabitants per acre (32,300/sq mi; 12,500/km).
The racial makeup of the neighborhood was 66.4% (52,740) White, 1.8% (1,457) Black, 0.1% (83) Native American, 13.3% (10,530) Asian, 0.0% (19) Pacific Islander, 0.3% (265) from other races, and 2.1% (1,682) from two or more races. Hispanic or Latino of any race were 15.9% (12,595) of the population.
The entirety of Community Board 10 had 142,075 inhabitants as of NYC Health’s 2018 Community Health Profile, with an average life expectancy of 83.1 years. This is higher than the median life expectancy of 81.2 for all New York City neighborhoods. Most inhabitants are middle-aged adults and youth: 20% are between the ages of 0–17, 34% between 25–44, and 25% between 45–64. The ratio of college-aged and elderly residents was lower, at 7% and 15% respectively.
As of 2016, the median household income in Community District 10 was $68,679. In 2018, an estimated 19% of Bay Ridge and Dyker Heights residents lived in poverty, compared to 21% in all of Brooklyn and 20% in all of New York City. One in twelve residents (8%) were unemployed, compared to 9% in the rest of both Brooklyn and New York City. Rent burden, or the percentage of residents who have difficulty paying their rent, is 49% in Bay Ridge and Dyker Heights, slightly lower than the citywide and boroughwide rates of 52% and 51% respectively. Based on this calculation, as of 2018, Bay Ridge and Dyker Heights is considered to be high-income relative to the rest of the city.