Yokosuka Population 2026

Yokosuka has a population of 409,478, making it the #47 biggest city in 🇯🇵 Japan, located in Kanagawa. Roughly 0.3% of Japan's population lives here. It is about 24× smaller than Tokyo, the country's biggest city.

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

Population (city proper)

409,478

Rank in Japan

#47

Coordinates

35.28°N, 139.67°E

~9 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

45 km

28 miles, straight line

Other big cities in Kanagawa

City	Population	Rank in Japan
Yokohama	3,777,491	#2
Kawasaki	1,538,262	#7
Aihara	725,493	#20
Sagamihara	720,780	#22
Fujisawa	439,728	#40
Hiratsuka	258,422	#95
Chigasaki	242,798	#100
Yamato	242,065	#102

Cities near Yokosuka

Kurihama53,782 people · ~7 km away
Zushi60,055 people · ~8 km away
Hayama31,665 people · ~8 km away
Sugita21,318 people · ~11 km away
Kamakura172,929 people · ~11 km away
Futtsu51,650 people · ~14 km away

FAQ

What is the population of Yokosuka?

Yokosuka has a population of 409,478 (city proper, latest official figure via GeoNames), making it the #47 biggest city in Japan.

What region is Yokosuka in?

Yokosuka is located in Kanagawa, Japan.

Is Yokosuka the capital of Japan?

No, the capital of Japan is Tokyo, about 45 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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