Ushiku is a city located in the Ibaraki Prefecture of Japan. As of January 1, 2024, the city covers a total area of 58.92 square kilometres (22.75 sq mi) and has an estimated population of 83,826 residing in 36,380 households.
The city maintains a population density of 1,423 persons per km2. Demographic data indicates that approximately 29.5% of the population is aged over 65 years old.