Has Partisanship Jumped the Rails of Demography?

Interesting new data from Pew. It won’t surprise any of us that partisan affiliation has grown more intense over the last 25 years. But according to this data from Pew basically all other measures have remained stable. In other words, we’re no more divided — according to this data — on racial or gender or education or income grounds. But now it’s party affiliation that is the big dividing line throughout American society. Partisanship is the big, big outlier. Take a look.