In September 1949, Crnković accepted a position in a technical high school in Rijeka. On February 15, 1950 he married Anka Sutic in Zagreb. They had three children: Marija, Berislav, and Nella. In 1960, Milan transferred to the newly founded Teacher's College of Rijeka; this college later became part of University of Rijeka. Besides being a lecturer, Milan also served as a director at The Teacher's College of Rijeka and also served as dean for 2 terms.
