Tachikawa Population 2026
Tachikawa has a population of 183,581, making it the #137 biggest city in 🇯🇵 Japan, located in Tokyo. Roughly 0.1% of Japan's population lives here. It is about 53× smaller than Tokyo, the country's biggest city.
Population (city proper)
183,581
Rank in Japan
#137
Coordinates
35.71°N, 139.42°E
~93 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
25 km
16 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 Tachikawa
FAQ
What is the population of Tachikawa?
Tachikawa has a population of 183,581 (city proper, latest official figure via GeoNames), making it the #137 biggest city in Japan.
What region is Tachikawa in?
Tachikawa is located in Tokyo, Japan.
Is Tachikawa the capital of Japan?
No, the capital of Japan is Tokyo, about 25 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.