Daejeon, South Korea
Major city · Population 1.4M
Daejeon is the 5th largest city in South Korea with a population of approximately 1,441,203 people as of 2026. This makes it the 344th largest city in the world, accounting for 2.78% of South Korea's total population of 51.8M. Daejeon is classified as a major city and operates in the Asia/Seoul timezone. The average annual temperature is 14.4°C with 1,187 mm of rainfall per year. The city sits at an elevation of 57 meters above sea level.
Population
1,441,203
Global Rank
#344
Country Rank
#5
% of South Korea
2.78%
Avg Temperature
14.4°C
Annual Rainfall
1,187 mm
Elevation
57 m
Timezone
Asia/Seoul
Daejeon on the Map
Climate in Daejeon
Daejeon's warmest month is Aug and the coldest is Jan. The wettest month is Jul with 384 mm of rainfall.
Average Monthly Temperature
Monthly Rainfall
South Korea at a Glance
Country Population
51,751,065
Capital
Seoul
Region
Eastern Asia
Major Cities
59
GDP per Capita
$36,239
Life Expectancy
83.6 years
Urban Population
81.2%
Growth Rate
0.00%
Other Major Cities in South Korea
Nearest Major Cities
Closest cities to Daejeon with over 100,000 people
| City | Population | Distance |
|---|---|---|
| Sejong | 394,630 | 28 km |
| Cheongju-si | 852,147 | 33 km |
| Cheonan | 658,831 | 55 km |
| Iksan | 307,000 | 59 km |
| Jeonju | 638,421 | 62 km |
| Sangju | 101,267 | 70 km |
| Gimcheon | 150,000 | 71 km |
| Gunsan | 264,656 | 73 km |
Frequently Asked Questions
What is the population of Daejeon?
The population of Daejeon, South Korea is approximately 1,441,203 people, making it the 344th largest city in the world and the 5th largest in South Korea.
Is Daejeon the capital of South Korea?
No, the capital of South Korea is Seoul. Daejeon is the 5th largest city in the country.
What is the climate like in Daejeon?
Daejeon has an average annual temperature of 14.4°C and receives 1,187 mm of rainfall per year. The warmest month is Aug and the coldest is Jan.
What timezone is Daejeon in?
Daejeon is in the Asia/Seoul timezone.