About Iwaki
Iwaki is a city located in Japan, in the Fukushima Prefecture region. According to the latest available data (2026), the population of Iwaki is approximately 336,111 residents, making it the #67 most populous city in Japan.
Globally, Iwaki ranks #5,481 among the world's most populated cities.
Iwaki City Statistics
| City | Iwaki |
| Country |  Japan |
| Population | 336,111 |
| Global Rank | #5,481 |
| Rank in Japan | #67 of 360 cities |
| City Category | city |
| Region | Fukushima Prefecture |
| Latitude | 37.0505 |
| Longitude | 140.8877 |
| Data Year | 2026 |
Where is Iwaki Located?
Iwaki is located in Japan, in the Fukushima Prefecture region, at coordinates 37.0505° latitude and 140.8877° longitude. Iwaki sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in Japan
Largest Cities in Japan
| # | City | Population |
|---|---|---|
| 2 | Yokohama | 3,757,630 |
| 3 | Nagoya | 2,326,844 |
| 6 | Sapporo | 1,959,313 |
| 7 | Fukuoka | 1,603,043 |
| 8 | Kawasaki | 1,539,522 |
Frequently Asked Questions
What is the population of Iwaki?
The population of Iwaki is approximately 336,111 residents according to the latest available data (2026).
Where is Iwaki located?
Iwaki is located in Japan at approximately 37.0505° latitude and 140.8877° longitude.
Is Iwaki one of the largest cities in Japan?
With a population of 336,111, Iwaki is one of the notable urban areas in Japan. It ranks #67 out of 360 cities in the country.
