About Iruma
Iruma is a city located in Japan, in the Saitama Prefecture region. According to the latest available data (2026), the population of Iruma is approximately 145,303 residents, making it the #230 most populous city in Japan.
Globally, Iruma ranks #11,568 among the world's most populated cities.
Iruma City Statistics
| City | Iruma |
| Country |  Japan |
| Population | 145,303 |
| Global Rank | #11,568 |
| Rank in Japan | #230 of 360 cities |
| City Category | city |
| Region | Saitama Prefecture |
| Latitude | 35.8358 |
| Longitude | 139.3911 |
| Data Year | 2026 |
Where is Iruma Located?
Iruma is located in Japan, in the Saitama Prefecture region, at coordinates 35.8358° latitude and 139.3911° longitude. Iruma 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 Iruma?
The population of Iruma is approximately 145,303 residents according to the latest available data (2026).
Where is Iruma located?
Iruma is located in Japan at approximately 35.8358° latitude and 139.3911° longitude.
Is Iruma one of the largest cities in Japan?
With a population of 145,303, Iruma is one of the notable urban areas in Japan. It ranks #230 out of 360 cities in the country.
