About Sanmen County
Sanmen County is a city located in People's Republic of China, in the Zhejiang region. According to the latest available data (2026), the population of Sanmen County is approximately 379,469 residents, making it the #1537 most populous city in People's Republic of China.
Globally, Sanmen County ranks #4,858 among the world's most populated cities.
Sanmen County City Statistics
| City | Sanmen County |
| Country |  People's Republic of China |
| Population | 379,469 |
| Global Rank | #4,858 |
| Rank in People's Republic of China | #1537 of 2,667 cities |
| City Category | city |
| Region | Zhejiang |
| Latitude | 29.0473 |
| Longitude | 121.4744 |
| Data Year | 2026 |
Where is Sanmen County Located?
Sanmen County is located in People's Republic of China, in the Zhejiang region, at coordinates 29.0473° latitude and 121.4744° longitude. Sanmen County sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in People's Republic of China
Largest Cities in People's Republic of China
| # | City | Population |
|---|---|---|
| 1 | Kaifeng | 4,824,016 |
| 2 | Yuncheng | 4,774,508 |
| 3 | Chenzhou | 4,667,134 |
| 4 | Yibin | 4,588,804 |
| 5 | Huai'an | 4,556,230 |
Frequently Asked Questions
What is the population of Sanmen County?
The population of Sanmen County is approximately 379,469 residents according to the latest available data (2026).
Where is Sanmen County located?
Sanmen County is located in People's Republic of China at approximately 29.0473° latitude and 121.4744° longitude.
Is Sanmen County one of the largest cities in People's Republic of China?
With a population of 379,469, Sanmen County is one of the notable urban areas in People's Republic of China. It ranks #1537 out of 2,667 cities in the country.
