It's easier if you just tell me what the bias is.
Incidentally, there are many less privileged people around me and, let me tell you, they're not going to work on foot.
Just read all the answers in this thread. Your PoV is far from reality, especially at a time where elections are decided by single digit margins.
Do any of them take the bus to work?
Most people are friends with people like themselves?
The selection bias of extrapolating an entire country (not to mention one as large and diverse as usa) by using your friend group should be very obvious.