Ōamishirasato Population 2026
Ōamishirasato has a population of 48,129, making it the #578 biggest city in 🇯🇵 Japan, located in Chiba. It is about 202× smaller than Tokyo, the country's biggest city.
Population (city proper)
48,129
Rank in Japan
#578
Coordinates
35.51°N, 140.35°E
~7 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
63 km
39 miles, straight line
Other big cities in Chiba
Cities near Ōamishirasato
FAQ
What is the population of Ōamishirasato?
Ōamishirasato has a population of 48,129 (city proper, latest official figure via GeoNames), making it the #578 biggest city in Japan.
What region is Ōamishirasato in?
Ōamishirasato is located in Chiba, Japan.
Is Ōamishirasato the capital of Japan?
No, the capital of Japan is Tokyo, about 63 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.