Ōta Population 2026
Ōta has a population of 748,081, making it the #18 biggest city in 🇯🇵 Japan, located in Tokyo. Roughly 0.6% of Japan's population lives here. It is about 13× smaller than Tokyo, the country's biggest city.
Population (city proper)
748,081
Rank in Japan
#18
Coordinates
35.56°N, 139.72°E
~12 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
14 km
9 miles, straight line
Other big cities in Tokyo
| City | Population | Rank in Japan |
|---|---|---|
| Tokyo | 9,733,276 | #1 |
| Hachiōji | 579,355 | #26 |
| Katsushika | 453,093 | #39 |
| Machida | 431,079 | #42 |
| Kita | 332,140 | #70 |
| Fuchū | 262,790 | #92 |
| Minato City | 260,486 | #94 |
| Chōfu | 242,614 | #101 |
Cities near Ōta
- Kawasaki1,538,262 people · ~5 km away
- Ebara21,232 people · ~6 km away
- Den’enchōfu18,952 people · ~6 km away
- Minato City260,486 people · ~11 km away
- Chūō169,179 people · ~13 km away
- Tokyo9,733,276 people · ~14 km away
FAQ
What is the population of Ōta?
Ōta has a population of 748,081 (city proper, latest official figure via GeoNames), making it the #18 biggest city in Japan.
What region is Ōta in?
Ōta is located in Tokyo, Japan.
Is Ōta the capital of Japan?
No, the capital of Japan is Tokyo, about 14 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.