The article is devoted to the study of the phenomenon and concept of the digital state. The general concept and meaning of digitization in public administration is revealed. The problems of relevant interpretation and the limits of applicability of this concept to public administration are explained. The author’s concept and definition are presented, explaining the concept, nature and ontology of the digital state. The author suggests to consider the digital state in 4 interpretive projections: 1) as an ecosystem of operational, multi-service and proactive state digital super-services; 2) as an integrated computer-software meta-platform (platform system); 3) as an organizational and technological approach and corresponding paradigm; 4) as the digital ontology of state-building and functioning, public administration and public policy. According to the author’s interpretation, the concept of the “digital state” structurally includes the concepts: 1) the concept of the “digital government”; 2) the “digital democracy” concept; 3) the concept of the “digital justice”; 4) the concept of the “digital electoral technologies”; 5) the concept of the “digital public control over public administration”. The article details the author’s concept of “digital government”. The article is based on application of research methods of analysis and synthesis, induction, deduction and abduction, classification and formalization; through application of research methods, the essential descriptive characteristics of the phenomenon and the concept of the digital state were revealed.