Koganei Population 2026
Koganei has a population of 126,074, making it the #212 biggest city in 🇯🇵 Japan, located in Tokyo. Roughly 0.1% of Japan's population lives here. It is about 77× smaller than Tokyo, the country's biggest city.
Population (city proper)
126,074
Rank in Japan
#212
Coordinates
35.70°N, 139.51°E
~80 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
16 km
10 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 Koganei
FAQ
What is the population of Koganei?
Koganei has a population of 126,074 (city proper, latest official figure via GeoNames), making it the #212 biggest city in Japan.
What region is Koganei in?
Koganei is located in Tokyo, Japan.
Is Koganei the capital of Japan?
No, the capital of Japan is Tokyo, about 16 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.