Income level influences on economic prosperity of farmer. The purpose of this research was to know prosperity level of farmer income based on income of papaya california farming in Muang Dalam, Lempake Urban Village, North Samarinda Subcity. The research was done from June to December 2017. The sampling method were census method. Data collection was done through survey or observation and interviews. Data was analyzed to know total cost, revenue, and income. Income was divided by the number of family members to know income per year, then it was compared with City Minimum Salary (CMS) as a prosperity index. The results of research show that farmer income from california papaya farming as much as IDR8,647,495.92 month-1 respondent-1 for an av...