Kamimaruko Population 2026
Kamimaruko has a population of 25,403, making it the #936 biggest city in 🇯🇵 Japan, located in Nagano. It is about 383× smaller than Tokyo, the country's biggest city.
Population (city proper)
25,403
Rank in Japan
#936
Coordinates
36.32°N, 138.27°E
~563 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
146 km
91 miles, straight line
Other big cities in Nagano
Cities near Kamimaruko
FAQ
What is the population of Kamimaruko?
Kamimaruko has a population of 25,403 (city proper, latest official figure via GeoNames), making it the #936 biggest city in Japan.
What region is Kamimaruko in?
Kamimaruko is located in Nagano, Japan.
Is Kamimaruko the capital of Japan?
No, the capital of Japan is Tokyo, about 146 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.