This interactive tool to let you see which Netflix rentals are popular where is a fascinating window into the socioeconomic divides in various metropolitan areas. This is the map for Tyler Perry’s The Family That Preys, a film that black neighborhoods loved but white neighborhoods had no interest in:
The island in the vicinity of Andrews Air Force base is interesting.
One confounding issue here is that I suspect the Netflix demographic skews whiter, richer, and better-educated than average. Consequently integrated ZIP codes like 20001, 20010, and 20002 are more similar in Netflix tastes to places like 20007 or 20008 than the underlying demographics would indicate.