Climate
About Iwakuni
Iwakuni is a city in Yamaguchi, Japan, with a population of about 129,125 inhabitants. About 35.7% of residents are aged 65 or over and the median age is 53.8. The average taxable income is about 315.4万 yen per taxpayer (2023). The population density is about 148/km² (ranked #420 of 531 covered cities), the home-ownership rate is 56.2% and the city counts 17 hospitals. Since 1980, the population has declined by 21.1% (-5.6% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Iwakuni to major Japanese cities, nearby towns and the local climate.
Iwakuni — key statistics
Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)
Iwakuni — population dynamics & households
In 2024, Iwakuni recorded 656 births and 2,169 deaths (natural change -1,513), with 3,434 people moving in and 4,241 moving out (net migration -807).
Source: e-Stat — System of Social and Demographic Statistics (vital statistics, migration report, census)
Iwakuni — official land prices 2026
The 2026 official land price survey lists 40 standard points in Iwakuni: residential land averages 46,935 yen/m² (median 48,700, highest 94,900), commercial land averages 78,285 yen/m², with an average change of +0.83 % over one year.
Source: MLIT — National Land Numerical Information, Official Land Price (L01) 2026
Distances from Iwakuni
Straight-line distance — click for the full driving route, time and fuel cost.
Nearby cities
Closest towns and cities around Iwakuni.
Train stations near Iwakuni
Closest railway stations.
Frequently asked questions
Iwakuni population?
About 129,125 inhabitants (2020 census).
Population density of Iwakuni?
About 148 inhabitants/km² (area 873.7 km²).
Average rent in Iwakuni?
About 2,139 yen per tatami per month (2018 Housing and Land Survey).
Distance from Iwakuni to Tokyo?
About 703 km in a straight line.