[1] His research is focused on sociology of the family, religion, social demography and quantitative and qualitative methods.

Gender and Family in the Ivory Tower (2013),[11] and, Soul Mates: Religion, Sex, Children, and Marriage among African Americans and Latinos (2016).

[2] Wolfinger's research interests include marriage and divorce, poverty, religion, and higher education.

[15] Wolfinger worked on The Do Babies Matter project with Mary Ann Mason and Marc Goulden.

The project explored how marriage and children differentially affect men and women's academic careers.

In 2016, Wolfinger and Wilcox published a book on their research, Soul Mates: Religion, Sex, Children, and Marriage among African Americans and Latinos (Oxford University Press).

It drew on six national data sets, in-depth interviews with 85 clergy and parishioners, and a year of ethnographic fieldwork.