This is very interesting. I may be able to shed some light on the differential in PA. The money going to Biden is primarily coming from suburban Philadelphia. I’d bet Biden has received more dollars per capita from Lower Merion Township than any other part of the state.
Based on that map, excluding cities, the entire rural west coast is for Trump, Illinois, Pennsylvania and New Jersey are for Trump. In fact I never thought I would see New Jersey donating more for a Republican. The solution is simple make cities illegal...