Although queer identity has been used among sexual minorities for decades, little is known about the population of queer-identified people in the United States. We compared people who identify as queer (unweighted n = 88; 5.8% weighted) with those who identify as lesbian/gay (n = 833; 46.9%), bisexual (n = 493; 40.6%), or other sexual minority identities (n = 93; 6.7%), to describe queer-identified people as a distinct sexual minority group. The study is the first to estimate demographic characteristics and sexuality of queer-identified people using a U.S. nationally representative sample. We found that queer people are overwhelmingly cisgender women and genderqueer/nonbinary (GQNB), younger, and more highly educated than other groups. After stratifying by gender identity (cisgender women; cisgender men; GQNB), survey-weighted descriptive differences in attraction, sexual partnering, and relationship patterns show that queer individuals are more likely to report attraction to, and sexual relationships with, transgender and GQNB people, though differences by respondent gender identity were noted: The majority of queer women are attracted to and partnered with both women and men, and were more likely than other groups to be attracted to and partnered with cisgender and transgender people. In contrast, queer men are split in their attractions-about half were attracted exclusively to men, and half to men and women-but the majority partnered with men only. Of all groups, queer men are the most likely to partner with transgender men, but none had partnered with transgender women. GQNB people are more likely than cisgender people to identify as queer (25.9%, versus 6% of cisgender women and 1.5% of cisgender men), and are attracted to both cisgender and transgender women and men, yet predominantly partnered with cisgender people. The results provide support for queer as a distinct sexual identity. Public Significance Statement We explored the demographics and sexuality (e.g., sexual partnering and attraction) of people who identify as queer, compared to those who identify as lesbian/gay, bisexual, or other sexual minority identities, to better understand if, and how, queer-identified people are distinct from other sexual minority groups. We found that queer people are overwhelmingly cisgender women and genderqueer/ nonbinary (GQNB), younger, and more highly educated than other groups. Sexuality-wise, queer individuals are more likely to report attraction to, and sexual relationships with, transgender and GQNB people, though differences emerge by gender identity.