Ōizumimachi Population 2026
Ōizumimachi has a population of 21,916, making it the #1019 biggest city in 🇯🇵 Japan, located in Tokyo. It is about 444× smaller than Tokyo, the country's biggest city.
Population (city proper)
21,916
Rank in Japan
#1019
Coordinates
35.76°N, 139.60°E
~41 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
12 km
7 miles, straight line
Other big cities in Tokyo
| City | Population | Rank in Japan |
|---|---|---|
| Tokyo | 9,733,276 | #1 |
| Ōta | 748,081 | #18 |
| 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 |
Cities near Ōizumimachi
- Ōizumi-gakuenchō34,557 people · ~1 km away
- Wako83,989 people · ~3 km away
- Narimasu30,203 people · ~3 km away
- Asaka141,083 people · ~4 km away
- Kamiigusa15,773 people · ~5 km away
- Shimoigusa18,269 people · ~5 km away
FAQ
What is the population of Ōizumimachi?
Ōizumimachi has a population of 21,916 (city proper, latest official figure via GeoNames), making it the #1019 biggest city in Japan.
What region is Ōizumimachi in?
Ōizumimachi is located in Tokyo, Japan.
Is Ōizumimachi the capital of Japan?
No, the capital of Japan is Tokyo, about 12 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.