Kotō Population 2026

Kotō has a population of 543,730, making it the #27 biggest city in 🇯🇵 Japan, located in Kumamoto. Roughly 0.4% of Japan's population lives here. It is about 18× smaller than Tokyo, the country's biggest city.

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

Population (city proper)

543,730

Rank in Japan

#27

Coordinates

32.78°N, 130.75°E

~8 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

883 km

548 miles, straight line

Other big cities in Kumamoto

City	Population	Rank in Japan
Kumamoto	738,907	#19
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 Kotō

Shimada32,510 people · ~5 km away
Kumamoto738,907 people · ~6 km away
Mifune16,901 people · ~10 km away
Okino43,337 people · ~11 km away
Uto37,442 people · ~13 km away
Kōshi61,772 people · ~13 km away

FAQ

What is the population of Kotō?

Kotō has a population of 543,730 (city proper, latest official figure via GeoNames), making it the #27 biggest city in Japan.

What region is Kotō in?

Kotō is located in Kumamoto, Japan.

Is Kotō the capital of Japan?

No, the capital of Japan is Tokyo, about 883 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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