This map created by splitcitynyc shows that while Dunkin’ Donuts locations (red) are spread evenly across all five boroughs, Starbucks locations (green) are clustered heavily in Manhattan, the richest borough. Starbucks appears to be a symbol of wealth.
So are Starbucks drinkers richer than those who drink Dunkin’ Donuts coffee?
Perhaps. In 2013, a map of the types of smartphones used in New York City showed a similar trend, and raised a similar question: Are iPhone owners richer than Android owners?