Iwamizawa Population 2026

Iwamizawa has a population of 85,107, making it the #324 biggest city in 🇯🇵 Japan, located in Hokkaido. Roughly 0.1% of Japan's population lives here. It is about 114× smaller than Tokyo, the country's biggest city.

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

Population (city proper)

85,107

Rank in Japan

#324

Coordinates

43.20°N, 141.76°E

~17 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

854 km

530 miles, straight line

Other big cities in Hokkaido

City	Population	Rank in Japan
Sapporo	1,973,832	#5
Asahikawa	333,530	#68
Hakodate	275,730	#84
Tomakomai	174,806	#139
Kushiro	167,875	#151
Obihiro	166,536	#154
Ebetsu	133,953	#195
Kitami	119,135	#225

Cities near Iwamizawa

Bibai29,028 people · ~16 km away
Tōbetsu16,694 people · ~20 km away
Ebetsu133,953 people · ~20 km away
Kitahiroshima58,918 people · ~29 km away
Ishikari58,755 people · ~33 km away
Sunagawa20,102 people · ~34 km away

FAQ

What is the population of Iwamizawa?

Iwamizawa has a population of 85,107 (city proper, latest official figure via GeoNames), making it the #324 biggest city in Japan.

What region is Iwamizawa in?

Iwamizawa is located in Hokkaido, Japan.

Is Iwamizawa the capital of Japan?

No, the capital of Japan is Tokyo, about 854 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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