About Cheonan
Cheonan is a mid-sized city located in South Korea, in the South Chungcheong region. According to the latest available data (2026), the population of Cheonan is approximately 656,583 residents, making it the #18 most populous city in South Korea.
Globally, Cheonan ranks #2,830 among the world's most populated cities.
Cheonan City Statistics
| City | Cheonan |
| Country |  South Korea |
| Population | 656,583 |
| Global Rank | #2,830 |
| Rank in South Korea | #18 of 136 cities |
| City Category | mid-sized city |
| Region | South Chungcheong |
| Latitude | 36.81 |
| Longitude | 127.1475 |
| Data Year | 2026 |
Population Comparison
To put Cheonan's population of 656,583 into perspective:
- Cheonan has over 656,000 residents.
Where is Cheonan Located?
Cheonan is located in South Korea, in the South Chungcheong region, at coordinates 36.81° latitude and 127.1475° longitude. Cheonan sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in South Korea
Largest Cities in South Korea
| # | City | Population |
|---|---|---|
| 1 | Busan | 3,453,198 |
| 3 | Suwon | 1,234,300 |
| 4 | Ulsan | 1,127,553 |
| 5 | Yongin | 1,084,817 |
| 6 | Goyang | 1,061,929 |
Frequently Asked Questions
What is the population of Cheonan?
The population of Cheonan is approximately 656,583 residents according to the latest available data (2026).
Where is Cheonan located?
Cheonan is located in South Korea at approximately 36.81° latitude and 127.1475° longitude.
Is Cheonan one of the largest cities in South Korea?
With a population of 656,583, Cheonan is one of the notable urban areas in South Korea. It ranks #18 out of 136 cities in the country.
