Objectives. This effort used data from the Course of Homelessness stud
y and comparative secondary data on the general population to identify
negative childhood and family background experiences that may increas
e risk for adult homelessness. Methods. Frequencies of negative childh
ood experiences were examined among a probability sample of 1563 homel
ess adults. Differences in risk for such experiences were calculated b
y sex, age cohort and racial/ethnicity status. Where possible, rates o
f negative childhood experiences among the homeless were compared with
the general population. Results. Substantial numbers of this sample e
xperienced multiple problems as children across several domains: pover
ty, residential instability, and family problems. Women and Whites dis
proportionately reported experiences suggestive of personal or family
problems non-Whites disproportionately reported experiences suggestive
of poverty. Homeless adults were at increased risk of childhood out-o
f-home placement tenure in public housing and homelessness, but not at
greater risk for physical abuse. Women appeared to be at greater risk
for sexual abuse. Conclusions. The problems that homeless individuals
experience as adults have very clear analogs in their childhoods. Vul
nerability to homelessness stems from factors unevenly distributed acr
oss age, sex, and race/ethnicity groups.