All Census Bureau demographic surveys collect information about same sex couples. The level of detail collected varies, as well as the availability of other characteristics of the partners. For more information about the main surveys and the unique aspects of each data source visit the Data section.
Same-sex Couples’ Consistency in Reports of Marital Status (2012-11)
Household and Families: 2010
Same-sex Couple Household Statistics from the 2010 Census
2010 ACS Brief on Same-sex couple households
Characteristics of Same-Sex Couple Households 2010 [XLS - 76k]