Climate
About Kōya
Kōya is a city in Wakayama, Japan, with a population of about 2,970 inhabitants. About 41.1% of residents are aged 65 or over and the median age is 59.1. The average taxable income is about 281.9万 yen per taxpayer (2023). The population density is about 22/km² (ranked #529 of 531 covered cities) and the city counts 0 hospitals. Since 1980, the population has declined by 59% (-11.4% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Kōya to major Japanese cities, nearby towns and the local climate.
Kōya — key statistics
Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)
Kōya — population dynamics & households
In 2024, Kōya recorded 5 births and 48 deaths (natural change -43), with 117 people moving in and 151 moving out (net migration -34).
Source: e-Stat — System of Social and Demographic Statistics (vital statistics, migration report, census)
Kōya — official land prices 2026
The 2026 official land price survey lists 2 standard points in Kōya, with an average change of -1.70 % over one year.
Source: MLIT — National Land Numerical Information, Official Land Price (L01) 2026
Distances from Kōya
Straight-line distance — click for the full driving route, time and fuel cost.
Nearby cities
Closest towns and cities around Kōya.
Train stations near Kōya
Closest railway stations.
Frequently asked questions
Kōya population?
About 2,970 inhabitants (2020 census).
Population density of Kōya?
About 22 inhabitants/km² (area 137.0 km²).
Distance from Kōya to Tokyo?
About 406 km in a straight line.