Iizuka is a city located in the Fukuoka Prefecture of Japan. It serves as a regional center with an estimated population of 124,757 residents living across 63,833 households as of February 29, 2024.
The city covers a total area of 213.96 km² (82.61 sq mi), resulting in a population density of approximately 580 persons per km². It is situated within the Fukuoka region and maintains its distinct identity as a municipality within the prefecture.