About Iwatsuki
Iwatsuki is a city located in Japan, in the Saitama Prefecture region. According to the latest available data (2026), the population of Iwatsuki is approximately 108,833 residents, making it the #337 most populous city in Japan.
Globally, Iwatsuki ranks #14,593 among the world's most populated cities.
Iwatsuki City Statistics
| City | Iwatsuki |
| Country |  Japan |
| Population | 108,833 |
| Global Rank | #14,593 |
| Rank in Japan | #337 of 360 cities |
| City Category | city |
| Region | Saitama Prefecture |
| Latitude | 35.9647 |
| Longitude | 139.6964 |
| Data Year | 2026 |
Where is Iwatsuki Located?
Iwatsuki is located in Japan, in the Saitama Prefecture region, at coordinates 35.9647° latitude and 139.6964° longitude. Iwatsuki 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 Iwatsuki?
The population of Iwatsuki is approximately 108,833 residents according to the latest available data (2026).
Where is Iwatsuki located?
Iwatsuki is located in Japan at approximately 35.9647° latitude and 139.6964° longitude.
Is Iwatsuki one of the largest cities in Japan?
With a population of 108,833, Iwatsuki is one of the notable urban areas in Japan. It ranks #337 out of 360 cities in the country.
