Aihara Population 2026

Aihara has a population of 725,493, making it the #20 biggest city in 🇯🇵 Japan, located in Kanagawa. Roughly 0.6% of Japan's population lives here. It is about 13× smaller than Tokyo, the country's biggest city.

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

Population (city proper)

725,493

Rank in Japan

#20

Coordinates

35.60°N, 139.32°E

~157 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

35 km

22 miles, straight line

Other big cities in Kanagawa

City	Population	Rank in Japan
Yokohama	3,777,491	#2
Kawasaki	1,538,262	#7
Sagamihara	720,780	#22
Fujisawa	439,728	#40
Yokosuka	409,478	#47
Hiratsuka	258,422	#95
Chigasaki	242,798	#100
Yamato	242,065	#102

Cities near Aihara

Hachiōji579,355 people · ~6 km away
Sagamihara720,780 people · ~8 km away
Minawa39,869 people · ~9 km away
Hino190,435 people · ~11 km away
Machida431,079 people · ~14 km away
Zama132,325 people · ~14 km away

FAQ

What is the population of Aihara?

Aihara has a population of 725,493 (city proper, latest official figure via GeoNames), making it the #20 biggest city in Japan.

What region is Aihara in?

Aihara is located in Kanagawa, Japan.

Is Aihara the capital of Japan?

No, the capital of Japan is Tokyo, about 35 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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