Kumamoto Population 2026

Kumamoto has a population of 738,907, making it the #19 biggest city in 🇯🇵 Japan, located in Kumamoto. Roughly 0.6% of Japan's population lives here. It is about 13× smaller than Tokyo, the country's biggest city.

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

Population (city proper)

738,907

Rank in Japan

#19

Coordinates

32.81°N, 130.69°E

~9 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

887 km

551 miles, straight line

Other big cities in Kumamoto

City	Population	Rank in Japan
Kotō	543,730	#27
Honmachi	123,067	#218
Amakusa	83,082	#334
Tamana	64,292	#436
Kōshi	61,772	#445
Uki	59,928	#469
Arao	53,675	#515
Kikuchi	49,455	#558

Cities near Kumamoto

Kotō543,730 people · ~6 km away
Uekimachi-mōno31,688 people · ~10 km away
Shimada32,510 people · ~11 km away
Okino43,337 people · ~12 km away
Kōshi61,772 people · ~12 km away
Uto37,442 people · ~14 km away

FAQ

What is the population of Kumamoto?

Kumamoto has a population of 738,907 (city proper, latest official figure via GeoNames), making it the #19 biggest city in Japan.

What region is Kumamoto in?

Kumamoto is located in Kumamoto, Japan.

Is Kumamoto the capital of Japan?

No, the capital of Japan is Tokyo, about 887 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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