Ōyama Population 2026

Ōyama has a population of 21,744, making it the #1022 biggest city in 🇯🇵 Japan, located in Shizuoka. It is about 448× smaller than Tokyo, the country's biggest city.

Location of Ōyama (capital Tokyo shown for reference). Boundaries: Natural Earth.

Population (city proper)

21,744

Rank in Japan

#1022

Coordinates

34.60°N, 138.22°E

~50 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

180 km

112 miles, straight line

Other big cities in Shizuoka

City	Population	Rank in Japan
Hamamatsu	791,707	#17
Shizuoka	693,389	#23
Fuji	245,392	#98
Numazu	189,486	#130
Iwata	166,672	#153
Fujieda	145,032	#176
Yaizu	139,578	#188
Fujinomiya	132,507	#200

Cities near Ōyama

Omaezaki31,103 people · ~1 km away
Sagara25,922 people · ~9 km away
Kikugawa48,484 people · ~14 km away
Maruobara43,502 people · ~17 km away
Sumiyoshi28,919 people · ~17 km away
Shimada95,719 people · ~24 km away

FAQ

What is the population of Ōyama?

Ōyama has a population of 21,744 (city proper, latest official figure via GeoNames), making it the #1022 biggest city in Japan.

What region is Ōyama in?

Ōyama is located in Shizuoka, Japan.

Is Ōyama the capital of Japan?

No, the capital of Japan is Tokyo, about 180 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.

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