It's probably just a coincidence.

In the [Rochester, NY] census^[14] of 2000, there were 219,773 people (206,759 estimated as of 2007^[15]), 88,999 households, and 47,169 families residing in the city. The population density was 6,132.9 people per square mile (2,368.3/km²). There were 99,789 housing units at an average density of 2,784.7/sq mi (1,075.3/km²). The racial makeup was 48.30% White, 38.55% African American, 0.47% Native American, 2.25% Asian, 0.05% Pacific Islander, 6.58% from other races, and 3.81% from two or more races. Hispanic or Latino of any race were 12.75% of the population. Ancestries include: German (10.9%), Italian (10.0%), Irish (9.6%), English (5.8%), and Polish (2.7%).

I'm not sure who's perpetuating the stereotype here- the media or the patrons- but please, let's stop, k?