About Ōmachi
Ōmachi is a city in Nagano, Japan, with a population of about 26,029 inhabitants. About 38.0% of residents are aged 65 or over and the median age is 56.4. The average taxable income is about 287.3万 yen per taxpayer (2023). The population density is about 46/km² (ranked #509 of 531 covered cities), the home-ownership rate is 63.6% and the city counts 1 hospitals. Since 1980, the population has declined by 27.9% (-7.2% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Ōmachi to major Japanese cities, nearby towns and the local climate.
Ōmachi — key statistics
Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)
Ōmachi — population dynamics & households
In 2024, Ōmachi recorded 104 births and 414 deaths (natural change -310), with 751 people moving in and 796 moving out (net migration -45).
Source: e-Stat — System of Social and Demographic Statistics (vital statistics, migration report, census)
Ōmachi — official land prices 2026
The 2026 official land price survey lists 5 standard points in Ōmachi: residential land averages 16,050 yen/m² (median 16,050, highest 18,300), commercial land averages 19,800 yen/m², with an average change of -0.46 % over one year.
Source: MLIT — National Land Numerical Information, Official Land Price (L01) 2026
Distances from Ōmachi
Straight-line distance — click for the full driving route, time and fuel cost.
Nearby cities
Closest towns and cities around Ōmachi.
Train stations near Ōmachi
Closest railway stations.
Frequently asked questions
Ōmachi population?
About 26,029 inhabitants (2020 census).
Population density of Ōmachi?
About 46 inhabitants/km² (area 565.2 km²).
Average rent in Ōmachi?
About 1,477 yen per tatami per month (2018 Housing and Land Survey).
Distance from Ōmachi to Tokyo?
About 187 km in a straight line.