California is an ethnically diverse state so you would expect the fan base to be diverse too. It’s one of the things that makes California such a nice place.* while their fans seem to include far more people of color than the Sox fans. Maybe this is due to the price of seats? Don't know, but when I watched part of one of their home games the other day, it was very noticeable.
https://statisticalatlas.com/state/California/Race-and-Ethnicity