About Kawaguchi
Kawaguchi is a mid-sized city located in Japan, in the Saitama Prefecture region. According to the latest available data (2026), the population of Kawaguchi is approximately 593,900 residents, making it the #23 most populous city in Japan.
Globally, Kawaguchi ranks #3,137 among the world's most populated cities.
Kawaguchi City Statistics
| City | Kawaguchi |
| Country |  Japan |
| Population | 593,900 |
| Global Rank | #3,137 |
| Rank in Japan | #23 of 360 cities |
| City Category | mid-sized city |
| Region | Saitama Prefecture |
| Latitude | 35.8076 |
| Longitude | 139.7241 |
| Data Year | 2026 |
Population Comparison
To put Kawaguchi's population of 593,900 into perspective:
- Kawaguchi has over 593,000 residents.
Where is Kawaguchi Located?
Kawaguchi is located in Japan, in the Saitama Prefecture region, at coordinates 35.8076° latitude and 139.7241° longitude. Kawaguchi 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 Kawaguchi?
The population of Kawaguchi is approximately 593,900 residents according to the latest available data (2026).
Where is Kawaguchi located?
Kawaguchi is located in Japan at approximately 35.8076° latitude and 139.7241° longitude.
Is Kawaguchi one of the largest cities in Japan?
With a population of 593,900, Kawaguchi is one of the notable urban areas in Japan. It ranks #23 out of 360 cities in the country.
