This article reports conclusions from a three-year research project on Swedish public libraries. The focus of the project is on librarians experience of libraries mission to promote democracy when democratic norms and values are challenged politically by radical right populism. Results of a longitudinal survey point to stability and lack of political interest over time, but increased societal polarization causes several ethical dilemmas for librarians. Examples of illegitimate political influence and librarians adapting to changes in the political climate call for renewed discussions on the professional role and understandings of democracy in library practice.