Michael Zuckerman explains an apparent contradiction: “the surprising fact that Democrats—especially senior Democrats—represent the districts with the most [income] inequality.”
“As the data show, Democrats have a lock not only on the country’s richest districts but also on the districts with the highest in-district income inequality.”
Zuckerman notes “two intertwined trends: cities have become, in general, strongholds of the Democratic Party, and cities have become, in general, hives of the most dramatic income inequality in the country.”
“Considered alongside these well-established trends, the fact that Democrats represent districts that are (on average) more unequal than Republican districts suggests that the parties may have such divergent views on income inequality in part because their members (and constituents) have divergent experiences of income inequality.”
Slicing up the data a different way highlights the degree to which Democrats dominate the most unequal districts.