The little research I did suggests a 4-6% unemployment rate is healthy, so it seems a neutral color would be preferable. Per your mention, red is definitely a

The little research I did suggests a 4-6% unemployment rate is healthy, so it seems a neutral color would be preferable. Per your mention, red is definitely a warning affordance. Now the places lower than 5%, I want to know why. There's something either insulating them or the coasts are the other extreme. Also, I want to see this as the US pulls out of it. Will the coasts recover first and trickle back in? Or, will the healthy parts of the US grow outward?