Onga Town

Fukuoka Prefecture · Town

Official website Fukuoka Prefecture page

Onga Town lies west of Kitakyushu City, with the Onga River along its eastern edge. It is the only town in Fukuoka Prefecture whose word for "town" is read "cho." Centered on Ongagawa Station, it has grown as a commuter town for Kitakyushu. The town also has Ongagawa Onsen (hot spring) and is rich in water and greenery.

Key facts

Population: 18,391 924th in Japan2025 Census
5-year change: −1.8% 1,423rd in Japanfrom 18,723 in 2020
Area: 22.15 km² 1,536th in Japan
Population density: 830 people/km² 406th in Japan

Source: Statistics Bureau of Japan, 2025 Population Census (population, area and density); area from the Geospatial Information Authority of Japan (GSI), Area Statistics of Prefectures and Municipalities (2025). National ranks are among the 1,741 municipalities, ordered by this site from these values.

Live information

Current weather (observed)

Places to visit

Chosen automatically, most popular first, from landmarks and cultural properties registered in Wikidata (we have not checked whether each is open). Names and descriptions: Wikidata (CC0); photos: Wikimedia Commons (photographer and license under each photo).

Neighboring municipalities

Municipalities sharing a boundary (computed from the National Land Numerical Information administrative boundaries, January 2021).

The description was written for this site, picking out representative features.

Figures come from official Japanese statistics (such as the 2025 Census by the Statistics Bureau of Japan), with the source and year shown next to each one. Photos are freely licensed images from Wikimedia Commons; the photographer and license are shown under each photo.

Prefectures Rankings Mountains & castles Places to visit National parks Sources & credits

Places to visit nearby

Map layers

Map

Weather & safety

Nature

History

Seasons