Although previous research has clearly demonstrated the impact that peer crowd affiliation has on socioemotional and risk-related outcomes, very few studies have investigated this relation in samples of emerging adults, and even fewer have focused specifically on commuter college students. Accordingly, the current study aimed to fill this gap in the literature by exploring the relationship between peer crowds and college adjustment at a commuter school. Participants were 663 students at a large public university in Southern California (campus population of 92% commuters). Factor analytic results indicated the presence of four crowd dimensions on campus: (a) social/partiers, (b) creatives and activists, (c) campus active, and (d) international students. Furthermore, path analysis results indicated that these crowd dimensions predict loneliness, college belongingness, and risk behaviors. Overall, the results of this study indicate the presence of a peer crowd landscape unique to commuter schools that has important implications for student adjustment.