About Tomioka
Tomioka is a city in Gunma, Japan, with a population of about 47,446 inhabitants. About 34.4% of residents are aged 65 or over and the median age is 53.3. The average taxable income is about 303.4万 yen per taxpayer (2023). The population density is about 386/km² (ranked #297 of 531 covered cities), the home-ownership rate is 67.7% and the city counts 3 hospitals. Since 1980, the population has declined by 10.8% (-4.6% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Tomioka to major Japanese cities, nearby towns and the local climate.
Tomioka — key statistics
Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)
Tomioka — population dynamics & households
In 2024, Tomioka recorded 158 births and 769 deaths (natural change -611), with 1,145 people moving in and 1,241 moving out (net migration -96).
Source: e-Stat — System of Social and Demographic Statistics (vital statistics, migration report, census)
Tomioka — official land prices 2026
The 2026 official land price survey lists 7 standard points in Tomioka: residential land averages 31,940 yen/m² (median 32,200, highest 34,700), commercial land averages 39,750 yen/m², with an average change of -1.14 % over one year.
Source: MLIT — National Land Numerical Information, Official Land Price (L01) 2026
Distances from Tomioka
Straight-line distance — click for the full driving route, time and fuel cost.
Nearby cities
Closest towns and cities around Tomioka.
Train stations near Tomioka
Closest railway stations.
Frequently asked questions
Tomioka population?
About 47,446 inhabitants (2020 census).
Population density of Tomioka?
About 386 inhabitants/km² (area 122.9 km²).
Average rent in Tomioka?
About 2,165 yen per tatami per month (2018 Housing and Land Survey).
Distance from Tomioka to Tokyo?
About 95 km in a straight line.