Kōzan Population 2026
Kōzan has a population of 15,125, making it the #1207 biggest city in 🇯🇵 Japan, located in Hiroshima. It is about 644× smaller than Tokyo, the country's biggest city.
Population (city proper)
15,125
Rank in Japan
#1207
Coordinates
34.58°N, 133.05°E
~337 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
616 km
383 miles, straight line
Other big cities in Hiroshima
| City | Population | Rank in Japan |
|---|---|---|
| Hiroshima | 1,200,754 | #11 |
| Fukuyama | 468,812 | #36 |
| Kure | 214,592 | #114 |
| Higashihiroshima | 196,608 | #123 |
| Onomichi | 131,170 | #205 |
| Hatsukaichi | 114,173 | #238 |
| Mihara | 90,573 | #306 |
| Gion | 68,713 | #408 |
Cities near Kōzan
FAQ
What is the population of Kōzan?
Kōzan has a population of 15,125 (city proper, latest official figure via GeoNames), making it the #1207 biggest city in Japan.
What region is Kōzan in?
Kōzan is located in Hiroshima, Japan.
Is Kōzan the capital of Japan?
No, the capital of Japan is Tokyo, about 616 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.