Full edition for scientific use. This dataset comprises data from a survey of nonprofit organizations (NPOs) in the metropolitan region of Vienna, Austria. The data was collected between October 2019 and December 2020 and provides a comprehensive overview of the current state of the nonprofit sector in Vienna. It comprises a representative sample of 358 NPOs and an additional targeted sample of 235 large NPOs. The survey includes more than 60 questions covering a wide range of topics, including organizational goals and activities, beneficiary and staff demographics, different forms of organizing and related practices, performance metrics, budgeting, funding sources, and collaborative efforts. The dataset is a valuable resource for scholars interested in studying the inner workings, relationships, and societal contributions of nonprofit organizations, and it appeals to a variety of scholarly debates.