Iwase Population 2026

Iwase has a population of 39,122, making it the #680 biggest city in 🇯🇵 Japan, located in Ibaraki. It is about 249× smaller than Tokyo, the country's biggest city.

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

Population (city proper)

39,122

Rank in Japan

#680

Coordinates

36.35°N, 140.10°E

~49 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

82 km

51 miles, straight line

Other big cities in Ibaraki

City	Population	Rank in Japan
Mito	270,685	#88
Tsukuba	241,656	#103
Hitachi	174,508	#140
Hitachi-Naka	156,581	#163
Katsuta	155,968	#164
Tsuchiura	144,399	#179
Koga	139,344	#189
Toride	104,524	#260

Cities near Iwase

Makabe19,293 people · ~9 km away
Sakuragawa39,072 people · ~11 km away
Chikusei100,753 people · ~11 km away
Shimodate63,666 people · ~12 km away
Mooka78,720 people · ~12 km away
Mashiko26,045 people · ~13 km away

FAQ

What is the population of Iwase?

Iwase has a population of 39,122 (city proper, latest official figure via GeoNames), making it the #680 biggest city in Japan.

What region is Iwase in?

Iwase is located in Ibaraki, Japan.

Is Iwase the capital of Japan?

No, the capital of Japan is Tokyo, about 82 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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