Kashiwazaki Population 2026

Kashiwazaki has a population of 86,183, making it the #318 biggest city in 🇯🇵 Japan, located in Niigata. Roughly 0.1% of Japan's population lives here. It is about 113× smaller than Tokyo, the country's biggest city.

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

Population (city proper)

86,183

Rank in Japan

#318

Coordinates

37.37°N, 138.55°E

~4 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

213 km

132 miles, straight line

Other big cities in Niigata

City	Population	Rank in Japan
Niigata	797,591	#16
Nagaoka	266,936	#90
Jōetsu	189,430	#131
Shibata	96,236	#282
Sanjō	94,642	#290
Tsubame	77,382	#355
Niitsu-honchō	65,910	#424
Murakami	58,300	#485

Cities near Kashiwazaki

Ojiya34,704 people · ~23 km away
Nagaoka266,936 people · ~28 km away
Tōkamachi53,333 people · ~32 km away
Jōetsu189,430 people · ~37 km away
Mitsuke43,180 people · ~39 km away
Uonuma34,483 people · ~39 km away

FAQ

What is the population of Kashiwazaki?

Kashiwazaki has a population of 86,183 (city proper, latest official figure via GeoNames), making it the #318 biggest city in Japan.

What region is Kashiwazaki in?

Kashiwazaki is located in Niigata, Japan.

Is Kashiwazaki the capital of Japan?

No, the capital of Japan is Tokyo, about 213 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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