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Saku

Nagano, Japan
Population98,199
PrefectureNagano
Over 6530.7 %
Density232 /km²
To Tokyo124 km
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About Saku

Saku is a city in Nagano, Japan, with a population of about 98,199 inhabitants. About 30.7% of residents are aged 65 or over and the median age is 50.2. The average taxable income is about 321.0万 yen per taxpayer (2023). The population density is about 232/km² (ranked #360 of 531 covered cities), the home-ownership rate is 56.1% and the city counts 7 hospitals. Since 1980, the population has grown by 7.6% (-1.2% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Saku to major Japanese cities, nearby towns and the local climate.

📍 Saku — latitude, longitude & GPS coordinates →

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

Saku — key statistics

Population98,1992020 census
Registered population97,0471 Jan 2026 · -0.34 % vs 2025
Aged 65+30.7 %
Median age50.2
Income / taxpayer321.0万 yen2023
Density232/km²
Area423.5km²
Home ownership56.1 %2018
Vacant homes21.3 %2018
Hospitals7facilities
Clinics88facilities
Schools (primary+jr high)22schools
Rent / tatami2,336yen (2018)
Fiscal strength index0.512021
Doctors399physicians
Dental clinics56facilities
High schools5schools
Kindergartens5schools
Libraries5libraries
Unemployment3.4 %2020 census
Population trend 1980–2020 91,285 → 98,199

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

Saku — population dynamics & households

Births5732024 · 5.8‰
Deaths1,37414.0‰
Natural change-801-8.2‰
Moved in3,413
Moved out3,236
Net migration+177+1.8‰
Marriages3223.3‰
Households39,9242020 census
One-person households31.1 %

In 2024, Saku recorded 573 births and 1,374 deaths (natural change -801), with 3,413 people moving in and 3,236 moving out (net migration +177).

Age structure 2020
0–14 12.9 %15–64 55.9 %65+ 31.2 %

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

Saku — official land prices 2026

Residential land (avg)3.6万 yen/m² · 6 points
Residential (median)3.2万 yen/m²
Residential (highest)6.1万 yen/m²
Commercial land (avg)5.2万 yen/m² · 3 points
Change vs previous year+0.60 %average of all points

The 2026 official land price survey lists 9 standard points in Saku: residential land averages 36,083 yen/m² (median 32,300, highest 61,400), commercial land averages 51,700 yen/m², with an average change of +0.60 % over one year.

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

Train stations near Saku

Closest railway stations.

Ōtabe Station0.6km
Tatsuokajō Station1.5km
Nakagomi Station1.6km
Usuda Station2.6km
Namezu Station2.6km
Aonuma Station4.0km
Kitanakagomi Station4.3km
Haguroshita Station5.6km
Iwamurada Station6.5km
Kaize Station6.8km
Sakudaira Station7.0km
Nakasato Station7.6km
Misato Station8.9km
Yachiho Station9.3km

Frequently asked questions

Saku population?

About 98,199 inhabitants (2020 census).

Population density of Saku?

About 232 inhabitants/km² (area 423.5 km²).

Average rent in Saku?

About 2,336 yen per tatami per month (2018 Housing and Land Survey).

Distance from Saku to Tokyo?

About 124 km in a straight line.