This study explored 346 Korean immigrants living in California to examine: a) differences in stressors, coping resources, and general well-being (anxiety, depression, positive well-being, self-control, vitality, and general health) between younger (18-64 years old) and older (65-96 years old) Korean immigrants; and b) differences in associations of stressors and coping resources with general well-being in the 2 groups. Results revealed that the older immigrants experienced higher levels of socioeconomic stressors and psychological/physical problems. In addition, English-language problems, low education, and financial difficulties were more consistently associated with lower levels of general well-being in the older immigrants than in the younger immigrants. Social support, religious practice, and spiritual coping were more likely to alleviate the detrimental consequences of stressors on general well-being in the older immigrants than in the younger immigrants. To improve the general well-being of older Korean immigrants, the results suggest: a) emphasis of social and health care services with bilingual capability; b) improved social support systems; and c) utilization of spiritual assessments and interventions. Future research should extend the current study with longitudinal data of a more generalizable sample of Korean immigrants.