This paper aims at define the determinants of income improvement demand of poor women in Tra Cu district, Tra Vinh province. The Data of the paper was collected from 280 poor women in Tra Cu district, Tra Vinh province by random sampling system method. Using Logit regression model, the findings shown that the income improvement demand are significantly affected by the marital status, education level, housework hours, developmental needs, family type, the total income of the family, and connection need. Of which, the connection needs by the women is the strongest factor impact on demand for participation in the labor force to raise family incomes of women.