To a remarkable degree, population growth in the United States is unevenly distributed and, at present, most evident in places where Republicans dominate the Democrats. These two effects result from an ongoing trend that persisted in the current decade: migration favors suburbs and disperses the...

Geographic clustering has been linked to contemporary political polarization by journalists and other researchers in recent years, most recently and notably by Bishop and Cushing (2008). In these accounts, clustering is motivated, in part, by shared tastes for combinations of place attributes...