The purpose of this study is to analyze whether the social capital of rural in-migrating farmers affects their economic performance. In general, social capital is classified into bonding capital, bridging capital, and linking capital. This study determines how the social capital of rural inmigrating farmers affects their economic performance. The results of this study showed that social capital had a significant effect on the economic performance of rural in-migrating farmers. In particular, social capital variables related to individual problem solving have positive effects on farm sales. The social capital formation of returnee farms was influenced by personal characteristics (age, gender) and empirical characteristics(education completion fields, occupation group).