Yatsushiro has a population of approximately 137,221 people, with 50,975 households. The city hosts several annual festivals, including the Fireworks Festival which sees around 200,000 spectators view about 10,000 fireworks launched by 30 makers over 3 competitions. The Kumagawa Festival includes dancing, contests, and a sacred portable shrine display, while the Myouken Festival features lions, drums, and games representing the festival. Local specialties include rush, fish paste dumplings, salty tomatoes, sweetfish products, and lotus root with mustard. Cultural centers include the Harmony Hall, gym, library and museum.