In New York City, according to researchers, the life expectancy gap between neighborhoods is as much as 27.4 years. People living in a section of East Harlem may live, on average, 66.3 years, while those in parts of Chinatown live, on average, 93.6 years.
https://www.wsj.com/amp/articles/new-yorkers-are-living-longer-than-ever-11559861003