About Koga
Koga is a city in Ibaraki, Japan, with a population of about 139,344 inhabitants. About 28.5% of residents are aged 65 or over and the median age is 49.0. The average taxable income is about 315.2万 yen per taxpayer (2023). The population density is about 1,127/km² (ranked #169 of 531 covered cities), the home-ownership rate is 60.6% and the city counts 9 hospitals. Since 1980, the population has grown by 18.4% (-1.1% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Koga to major Japanese cities, nearby towns and the local climate.
Koga — key statistics
Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)
Distances from Koga
Straight-line distance — click for the full driving route, time and fuel cost.
Nearby cities
Closest towns and cities around Koga.
Train stations near Koga
Closest railway stations.
Frequently asked questions
Koga population?
About 139,344 inhabitants (2020 census).
Population density of Koga?
About 1,127 inhabitants/km² (area 123.6 km²).
Average rent in Koga?
About 2,375 yen per tatami per month (2018 Housing and Land Survey).
Distance from Koga to Tokyo?
About 55 km in a straight line.