About Iwaki
Iwaki is located in Japan, part of Asia. Find essential geography and continue exploring more places in the same country.
Population357,309
Figure applies toIwaki (city)
Data as ofLatest recorded figure
Last checkedSeptember 3, 2026
CountryJapan
ContinentAsia
Place typeCity
Country codeJP
Source: GeoNames geographical database. Population figures can use different geographic boundaries and should be read together with “Figure applies to”.