Professor Wilcox is a professor in the Government Department at Georgetown, where he has taught for 20 years. His research and teaching interests center on public opinion and electoral behavior, religion and politics, gender politics, the politics of social issues such as abortion, gay rights, and gun control, interest group politics, campaign finance, and science fiction and politics. Most of his research is on American politics, but he also writes on comparative politics as well.

He has authored, coauthored, edited, or co-edited more than 30 books. His latest books include The Politics of Same-Sex Marriage, coedited with Craig Rimmerman, from the University of Chicago Press, and The Values Campaign: The Christian Right in the 2004 Elections, coedited with John Green and Mark Rozell.

Professor Wilcox meets with many international visitor groups and travels for the State Department, including recent visits to Uganda, Kenya, and Russia, Turkey.

He is working on a project on environmental attitudes, interviewing fish and turtles off the reef in Bonaire.