Minamiuonuma Population 2026
Minamiuonuma has a population of 55,354, making it the #503 biggest city in 🇯🇵 Japan, located in Niigata. It is about 176× smaller than Tokyo, the country's biggest city.
Population (city proper)
55,354
Rank in Japan
#503
Coordinates
37.08°N, 138.87°E
~198 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
171 km
106 miles, straight line
Other big cities in Niigata
| City | Population | Rank in Japan |
|---|---|---|
| Niigata | 797,591 | #16 |
| Nagaoka | 266,936 | #90 |
| Jōetsu | 189,430 | #131 |
| Shibata | 96,236 | #282 |
| Sanjō | 94,642 | #290 |
| Kashiwazaki | 86,183 | #318 |
| Tsubame | 77,382 | #355 |
| Niitsu-honchō | 65,910 | #424 |
Cities near Minamiuonuma
FAQ
What is the population of Minamiuonuma?
Minamiuonuma has a population of 55,354 (city proper, latest official figure via GeoNames), making it the #503 biggest city in Japan.
What region is Minamiuonuma in?
Minamiuonuma is located in Niigata, Japan.
Is Minamiuonuma the capital of Japan?
No, the capital of Japan is Tokyo, about 171 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.