Back in the high crime era, apologists for law enforcement would often say that you can’t put a cop on every corner. If there was ever a place that tried, however, it is the City of New York. Local government full time equivalent employment for the police, corrections and fire protection functions totaled 961 per 100,000 city residents in March 2016, up from 924 in March 2014 and more than double the U.S. average of 445 per 100,000 people. But this is an understatement, because the city is so densely populated. Measured per 100 acres, New York City would be even more out of line with the U.S. average. According to the New York City Department of Transportation,
“As of June 30, 2011, there were 12,460 intersections with traffic signals citywide, including 2,820 in Manhattan, 1,605 in the Bronx, 4,371 in Brooklyn, 3,119 in Queens and 545 in Staten Island.”
Not every intersection has a traffic signal. But with a total of 49,479 police officers in New York City, as reported by the Census Bureau, a cop for every one of them is a real possibility.