Need a caffeine fix? You don’t have to travel far in New York. A Post survey of the most popular chain stores in the city found Dunkin’ Donuts is most ubiquitous — with 448 shops. That’s one for every 18,731 residents.

But if you can’t find one, no problem. There are 227 Starbucks cafes, including an astounding 182 in Manhattan — an average of eight Starbucks per square mile.

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