Professor Hill studies political participation and vote choice. His research uses statistical methods to identify patterns in American voting from large-scale data compilations such as opinion surveys, precinct election returns, and administrative voter files. His teaching interests include American Politics, voting behavior, and political methodology. His published work has appeared in the American Journal of Political Science, American Political Science Review, Election Law Journal, Quarterly Journal of Political Science, Political Science Research and Methods, Public Opinion Quarterly, and World Politics. He held a postdoctoral appointment at Yale from 2010 to 2012.