Daigo is a town in Ibaraki Prefecture, Japan. It covers a total area of 325.76 square kilometres (125.78 sq mi).
As of 1 July 2020, Daigo had an estimated population of 15,771 living in 6,431 households, giving a population density of 48.4 inhabitants per square kilometre (125/sq mi). The percentage of the population aged over 65 was 46.6%.