Oyama Population 2026
Oyama has a population of 18,568, making it the #1099 biggest city in 🇯🇵 Japan, located in Shizuoka. It is about 524× smaller than Tokyo, the country's biggest city.
Population (city proper)
18,568
Rank in Japan
#1099
Coordinates
35.36°N, 139.00°E
~306 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
73 km
45 miles, straight line
Other big cities in Shizuoka
Cities near Oyama
- Gotemba86,614 people · ~7 km away
- Kanaishima18,329 people · ~11 km away
- Minamiashigara40,841 people · ~11 km away
- Odawara188,856 people · ~19 km away
- Fujiyoshida48,782 people · ~21 km away
- Hadano163,787 people · ~21 km away
FAQ
What is the population of Oyama?
Oyama has a population of 18,568 (city proper, latest official figure via GeoNames), making it the #1099 biggest city in Japan.
What region is Oyama in?
Oyama is located in Shizuoka, Japan.
Is Oyama the capital of Japan?
No, the capital of Japan is Tokyo, about 73 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.