Presented at the Annual Meeting of the Population Association of America, Philadelphia, PA, March 31 - April 2, 2005.
Opposite-sex unmarried-partner households looked very similar to married-couple households except on age-related indicators like income and education.
Same-sex unmarried-partner households looked very similar to married-couple households except they had slightly more education and were less likely to have children in the household.
Opposite-sex unmarried partners may look more like younger married couples while same-sex unmarried partners may look more like older married couples. These age differences may influence socio-economic differences among unmarried-partner households.