RV Boondocking on city streets - where is it legal?

2oldman wrote:
I would venture to say that "none" would be a good guess for large cities, and "maybe" on smaller ones, and "most likely" on really small ones, like 1000 or less.

Small towns would almost assuredly question you and ask you to move to proper facilities. The police in the small towns have much more time to pursue such situations than their big city counterparts. Also, most small towns would be very suspicious of strangers just parking.