You forget one very important fact, rural areas are well armed, there is little to no police and when the police do respond it is one or two cars after a 30 or more minute wait.
No, they will not spread beyond the suburbs of the cities, if that far.
Look, riots in Portland, Maine might spread as far as Windham, ME, but once outside of Windham, the price for trying to burn private property is to becomme part of the environment.
Very important fact about the “density” of the police,
considering where we’re headed,
with the police siding with the rioters/looters against the property owners.
The looters won’t have as much “cover” in the countryside.