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Objectives: This study was conducted in order to determine how the association between socioeconomic status and health behaviors with self-rated health status among Korean aged 20-64 years. Methods: A nationally representative sample(2,027 men and 2,626 women) from the 2013 Korea National Health and Nutrition Surveys was analyzed. To estimate the odds ratio and 95% confidence intervals, logistic regression was conducted. Results: The study shows that socioeconomic status is related with self-rated health status. that is, lower education and income led to a significant increase in poor health status. The odds ratio of self-rated health status after controlling for age was 2.83(95% CI, 1.60-5.00) for men, 2.32(95% CI, 1.15-3.46) for women among those with the lowest-educated group compared to the highest-educated group. When household income was considered, the odds ratio of self-rated health for men was 3.50(95% CI, 2.11-5.79) and 2.21(95% CI, 1.53-3.20) for women among those in the lowest-income group compared to the highest-income group. Health behaviors had little effect on the relationship between socioeconomic status and self-rated health status. Conclusions: This study finds that there exist socioeconomic differences in poor health status in Korean. The effect of education is stronger than that of income for both men and women.