Ryōgoku Population 2026
Ryōgoku has a population of 49,735, making it the #556 biggest city in 🇯🇵 Japan, located in Chiba. It is about 196× smaller than Tokyo, the country's biggest city.
Population (city proper)
49,735
Rank in Japan
#556
Coordinates
35.72°N, 140.37°E
~44 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
61 km
38 miles, straight line
Other big cities in Chiba
Cities near Ryōgoku
FAQ
What is the population of Ryōgoku?
Ryōgoku has a population of 49,735 (city proper, latest official figure via GeoNames), making it the #556 biggest city in Japan.
What region is Ryōgoku in?
Ryōgoku is located in Chiba, Japan.
Is Ryōgoku the capital of Japan?
No, the capital of Japan is Tokyo, about 61 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.