This paper studies the effect of resources, such as labor, capital and land to total income of agricultural household in Dinh Hoa district Thai Nguyen province inside two group of people, Kinh and minority ethnics as well as between two year, 2007 and 2011. The results indicate all labor, capital and land have strongly effect on household income. In this district, Kinh ethic households have higher income than minority. The results also prove that the welfare of Dinh Hoa farmers are more and more improving by the time. with the household income in 2011 is nearly 1.9 times higher than in 2007.