Asso Population 2026

Asso has a population of 15,236, making it the #1204 biggest city in 🇯🇵 Japan, located in Wakayama. It is about 639× smaller than Tokyo, the country's biggest city.

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

Population (city proper)

15,236

Rank in Japan

#1204

Coordinates

33.70°N, 135.42°E

~13 m elevation · Asia/Tokyo

Distance to capital (Tokyo)

449 km

279 miles, straight line

Other big cities in Wakayama

City	Population	Rank in Japan
Minato	375,339	#57
Wakayama	356,729	#62
Tanabe	70,972	#391
Hashimoto	61,063	#454
Kinokawa	60,592	#460
Iwade	53,967	#513
Kainan	48,369	#575
Shingū	27,491	#888

Cities near Asso

Tanabe70,972 people · ~6 km away
Shirahama23,325 people · ~6 km away
Gobō23,481 people · ~30 km away
Itogawa25,258 people · ~39 km away
Kushimoto16,243 people · ~42 km away
Arida26,755 people · ~50 km away

FAQ

What is the population of Asso?

Asso has a population of 15,236 (city proper, latest official figure via GeoNames), making it the #1204 biggest city in Japan.

What region is Asso in?

Asso is located in Wakayama, Japan.

Is Asso the capital of Japan?

No, the capital of Japan is Tokyo, about 449 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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