Interparental conflict is a well-established precursor to child maladjustment. However, little is understood of the role of different interparental conflict in shaping the developmental outcomes of young children, especially those from socioeconomically disadvantaged backgrounds. This study uses data from a large and racially diverse sample of low-income, unmarried mothers with young children (n = 1,297) to examine the processes linking parental constructive conflict, destructive conflict, intimate partner violence (IPV) to child behavior problems, and child emotional insecurity as a mediator of these processes. Path analyses were conducted to estimate structural paths between (a) conflict constructs and child behavior problems, (b) conflict constructs and child emotional insecurity, and (c) child emotional insecurity and child behavior problems. Results demonstrated that constructive conflict was associated with decreased levels of both child