Sōja Population 2026
Sōja has a population of 69,030, making it the #404 biggest city in 🇯🇵 Japan, located in Okayama. Roughly 0.1% of Japan's population lives here. It is about 141× smaller than Tokyo, the country's biggest city.
Population (city proper)
69,030
Rank in Japan
#404
Coordinates
34.68°N, 133.75°E
~19 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
551 km
342 miles, straight line
Other big cities in Okayama
Cities near Sōja
FAQ
What is the population of Sōja?
Sōja has a population of 69,030 (city proper, latest official figure via GeoNames), making it the #404 biggest city in Japan.
What region is Sōja in?
Sōja is located in Okayama, Japan.
Is Sōja the capital of Japan?
No, the capital of Japan is Tokyo, about 551 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.