Ryūgasaki Population 2026
Ryūgasaki has a population of 85,761, making it the #320 biggest city in 🇯🇵 Japan, located in Ibaraki. Roughly 0.1% of Japan's population lives here. It is about 113× smaller than Tokyo, the country's biggest city.
Population (city proper)
85,761
Rank in Japan
#320
Coordinates
35.90°N, 140.18°E
~8 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
50 km
31 miles, straight line
Other big cities in Ibaraki
Cities near Ryūgasaki
FAQ
What is the population of Ryūgasaki?
Ryūgasaki has a population of 85,761 (city proper, latest official figure via GeoNames), making it the #320 biggest city in Japan.
What region is Ryūgasaki in?
Ryūgasaki is located in Ibaraki, Japan.
Is Ryūgasaki the capital of Japan?
No, the capital of Japan is Tokyo, about 50 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.