About Sanjō
Sanjō is a city in Niigata, Japan, with a population of about 94,642 inhabitants. About 33.0% of residents are aged 65 or over and the median age is 52.3. The average taxable income is about 297.9万 yen per taxpayer (2023). The population density is about 219/km² (ranked #369 of 531 covered cities), the home-ownership rate is 71.0% and the city counts 7 hospitals. Since 1980, the population has declined by 13.5% (-4.6% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Sanjō to major Japanese cities, nearby towns and the local climate.
Sanjō — key statistics
Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)
Sanjō — population dynamics & households
In 2024, Sanjō recorded 415 births and 1,414 deaths (natural change -999), with 1,708 people moving in and 1,939 moving out (net migration -231).
Source: e-Stat — System of Social and Demographic Statistics (vital statistics, migration report, census)
Sanjō — official land prices 2026
The 2026 official land price survey lists 9 standard points in Sanjō: residential land averages 36,980 yen/m² (median 36,800, highest 43,800), commercial land averages 44,600 yen/m², with an average change of -1.91 % over one year.
Source: MLIT — National Land Numerical Information, Official Land Price (L01) 2026
Distances from Sanjō
Straight-line distance — click for the full driving route, time and fuel cost.
Nearby cities
Closest towns and cities around Sanjō.
Train stations near Sanjō
Closest railway stations.
Frequently asked questions
Sanjō population?
About 94,642 inhabitants (2020 census).
Population density of Sanjō?
About 219 inhabitants/km² (area 432.0 km²).
Average rent in Sanjō?
About 2,468 yen per tatami per month (2018 Housing and Land Survey).
Distance from Sanjō to Tokyo?
About 225 km in a straight line.