Jōsō is a city located in the Ibaraki Prefecture of Japan. As of October 1, 2020, the city had an estimated population of 59,314 residents living in 21,168 households. It covers a total area of 123.64 square kilometres (47.74 sq mi), resulting in a population density of approximately 480 persons per km2.
The demographic profile of the city shows that 38.8% of its population is aged over 65. Additionally, Jōsō is notable for having a large expatriate population originating from Brazil.