One of the agricultural sub-sector commodities that become a priority for the development of the agricultural sector is corn. The development of corn farming is very decisive for.farmer's income level in one cycle of corn planting. This study aims to analyze the income of corn farmers in the District of Ranah Pesisir, Pesisir Selatan Regency and calculate the marketing margin of corn in the District of Ranah Pesisir, Pesisir Selatan Regency. The method used in this research is descriptive-quantitative. The technique of choosing the respondents was proportional random sampling, where the respondents taken were as many as 30 people from the total population. The data analysis techniques used were farming analysis which consists of cost analysis, depreciation cost analysis, revenue analysis, income analysis and R/C analysis, and marketing analysis consisting of marketing margin analysis, institutional level margin analysis, marketing profit analysis and farmer' share analysis. The income received by corn farmers in the District of Ranah Pesisir, Pesisir Selatan Regency was Rp. 10,825,545 per ha per planting period, the R/C ratio was 1.78. Each marketing chain received a marketing margin. The margin received by collectors was Rp.600/kg, by wholesalers was Rp.650/kg and by retailers was Rp.1.950/kg.