18 streets in New York City intersect with themselves. 6 are in Manhattan, 6 are in Queens, 4 are in Brooklyn, and 4 are in Staten Island. There are none in the Bronx.
According to city statistics, there are 1547 pizzerias in New York City. 362 are in Manhattan, 378 are in Brooklyn, 318 are in Queens, 253 are in The Bronx, and 236 are in Staten Island. The highest density of pizzerias is in Midtown Manhattan with an average of 1.7 per block, the lowest density is Tottenville, Staten Island with and average of 0.023 per block.