Hmmmm,
I am 4a and some 3c.
I am relaxed.
When I am at college, in Boston, (well just outside of Boston) I see and hear a lot of women (and men) who are very militant about keeping hair relaxed and/or bone straight. If I wear a wash and go or braid out, I get nasty comments, and have even had my MALE friends tell me I need a perm, need to do something, my nappy hair is not cute but you I am so pretty so I should make sure I maintain a clean cut appearance, etc.
I'm relaxed!
Because of the nature of my college, we are from all over the US, and I am referring to the black students. If I try to think specifically, I have experienced these things with people from Connecticut, Boston, D.C., Baltimore, New York City, L.A. (even a natural who presses, she obviously has a bone straight, not a relaxer thing), Texas, Atlanta, etc.
Nevertheless, I think location can make a difference, though not always on a city-wide scale... it can be down to neighborhood, family/upbringing, high school, etc.
At home, in Baltimore, I am mostly around very old, close friends and family, so (from black people) I only get compliments or no comments at all, no matter how my hair looks.
My mother, in Baltimore, over the past 11 years was natural for about 4, then relaxed, and natural again for about 5. She was also a natural stylist for a while. She has always gotten very ridiculous comments on her hair and her choices from people, all strangers with the exception of my great-grandmother (who is not as closely of African descent as me and my mother and was admittedly born in 1921 or something like that) and my mother's SO last year (he was lashing out; they were having a VERY serious issue on his part that was unrelated).
While we are in the same city, and I've received negative comments in Boston, I never have at home, while my mother did often. This is why I think location but also more closely tied to workplace, school, etc. makes such a huge difference. (i.e. My mother's high school friends are very different types of people than my own.)
I also have noticed there are a decent amount of naturals here, but many more in the DMV (closer to DC, I mean).