Komatsu Population 2026
Komatsu has a population of 108,509, making it the #254 biggest city in 🇯🇵 Japan, located in Ishikawa. Roughly 0.1% of Japan's population lives here. It is about 90× smaller than Tokyo, the country's biggest city.
Population (city proper)
108,509
Rank in Japan
#254
Coordinates
36.40°N, 136.45°E
~7 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
302 km
188 miles, straight line
Other big cities in Ishikawa
Cities near Komatsu
FAQ
What is the population of Komatsu?
Komatsu has a population of 108,509 (city proper, latest official figure via GeoNames), making it the #254 biggest city in Japan.
What region is Komatsu in?
Komatsu is located in Ishikawa, Japan.
Is Komatsu the capital of Japan?
No, the capital of Japan is Tokyo, about 302 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.