CODESCO'24 is the second edition of the conference Combinatorial Designs and Codes (Rijeka, Croatia, 2021). The goal of the conference is to bring together researchers interested in any of the areas including in combinatorial design theory, coding theory, graph theory, algebraic combinatorics and finite geometry, with particular emphasis on establishing new synergies among them, and new applications to other fields and to the real world, including artificial intelligence, communication networks, cryptography and machine learning.