It’s a bit different for Atlanta and the city is smaller geographically and less dense so the surrounding cities and counties truly extend out of the city, where the five boroughs are a true entity onto themselves - sad thing is since Grumman closed years ago Lawn Guyland doesn’t have much of an economy of its own other than the bloated local schools and governments that five figure property taxes bring with it.
Like Cobb, Nassau and Suffolk are very wealthy and have a very high percentage of college educated.
Cobb County as the most-educated in the state of Georgia and 12th among all counties in the US. It has ranked among the top 100 highest-income counties in the United States.
Nassau County is one of the most expensive counties and one of the highest income counties in the United States, and the most affluent in the state of New York, with four of the nation’s top ten towns by median income located in the county.
Those are the places where Trump performed the most poorly as far as the swing from 2016. He did better in Nassau than he did in Cobb though.