If the car is a beater they are usually white. If it is a nice car they are usually black. But that is here in KY. IN Seattle, I saw a lot of nice cars with white drivers that had obama bumper stickers.
There’s one broad that I see on the road occasionally both in the morning and on the way home.
She has a newer bright red VW beetle, and it’s PLASTERED with every imaginable Lib cause bumper sticker you can conceive.
It’s a shame - it’s a only a few years old, but she trashed it. And she herself is a Poster Child - looks like a leftover 1960s hippie flower child... right age for it too.