Ōshū Population 2026
Ōshū has a population of 112,937, making it the #244 biggest city in 🇯🇵 Japan, located in Iwate. Roughly 0.1% of Japan's population lives here. It is about 86× smaller than Tokyo, the country's biggest city.
Population (city proper)
112,937
Rank in Japan
#244
Coordinates
39.14°N, 141.17°E
~36 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
405 km
252 miles, straight line
Other big cities in Iwate
Cities near Ōshū
- Mizusawa61,281 people · ~3 km away
- Kanegasaki15,580 people · ~8 km away
- Kitakami93,045 people · ~17 km away
- Ichinoseki114,476 people · ~25 km away
- Hanamaki94,691 people · ~28 km away
- Tōno26,110 people · ~37 km away
FAQ
What is the population of Ōshū?
Ōshū has a population of 112,937 (city proper, latest official figure via GeoNames), making it the #244 biggest city in Japan.
What region is Ōshū in?
Ōshū is located in Iwate, Japan.
Is Ōshū the capital of Japan?
No, the capital of Japan is Tokyo, about 405 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.