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Susaki

Kochi, Japan
Population20,590
PrefectureKochi
Over 6540.6 %
Density152 /km²
Avg. temp16.5 °C
To Tokyo640 km
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Climate

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Annual avg 16.5°C Warmest 26.8°C Coldest 6.5°C Rainfall 2,735 mm

About Susaki

Susaki is a city in Kochi, Japan, with a population of about 20,590 inhabitants. About 40.6% of residents are aged 65 or over and the median age is 58.1. The average taxable income is about 280.6万 yen per taxpayer (2023). The population density is about 152/km² (ranked #417 of 531 covered cities), the home-ownership rate is 51.5% and the city counts 4 hospitals. Since 1980, the population has declined by 35.4% (-8.9% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Susaki to major Japanese cities, nearby towns and the local climate.

📍 Susaki — latitude, longitude & GPS coordinates →

📊 Kochi — city rankings (density, income, housing…) →

Susaki — key statistics

Population20,5902020 census
Registered population18,7721 Jan 2026 · -2.86 % vs 2025
Aged 65+40.6 %
Median age58.1
Income / taxpayer280.6万 yen2023
Density152/km²
Area135.2km²
Home ownership51.5 %2018
Vacant homes27.3 %2018
Hospitals4facilities
Clinics10facilities
Schools (primary+jr high)14schools
Rent / tatami1,482yen (2018)
Fiscal strength index0.422021
Doctors42physicians
Dental clinics10facilities
High schools2schools
Kindergartens1schools
Libraries1libraries
Unemployment4.8 %2020 census
Population trend 1980–2020 31,852 → 20,590

Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)

Susaki — population dynamics & households

Births732024 · 3.5‰
Deaths36917.9‰
Natural change-296-14.4‰
Moved in588
Moved out861
Net migration-273-13.3‰
Marriages341.7‰
Households8,7102020 census
One-person households35.3 %

In 2024, Susaki recorded 73 births and 369 deaths (natural change -296), with 588 people moving in and 861 moving out (net migration -273).

Age structure 2020
0–14 9.5 %15–64 49.7 %65+ 40.8 %

Source: e-Stat — System of Social and Demographic Statistics (vital statistics, migration report, census)

Susaki — official land prices 2026

Change vs previous year-0.86 %average of all points

The 2026 official land price survey lists 5 standard points in Susaki, with an average change of -0.86 % over one year.

Source: MLIT — National Land Numerical Information, Official Land Price (L01) 2026

Train stations near Susaki

Closest railway stations.

Susaki Station0.3km
Ōma Station1.4km
Tosa Shinjō Station1.5km
Ōnogō Station1.8km
Asō Station4.0km
Awa Station4.3km
Togano Station9.0km
Tosa Kure Station9.5km
Erinono Station10.5km
Sakawa Station11.7km
Nishisakawa Station13.1km
Tosa Kamo Station14.6km
Okabana Station16.0km
Kusaka Station17.1km

Frequently asked questions

Susaki population?

About 20,590 inhabitants (2020 census).

Population density of Susaki?

About 152 inhabitants/km² (area 135.2 km²).

Average rent in Susaki?

About 1,482 yen per tatami per month (2018 Housing and Land Survey).

Distance from Susaki to Tokyo?

About 640 km in a straight line.