Daejeon Population 2026

Daejeon has a population of 1,441,203, making it the #5 biggest city in 🇰🇷 South Korea, located in Daejeon. Roughly 2.8% of South Korea's population lives here. It is about 7.2× smaller than Seoul, the country's biggest city.

SeoulDaejeon
Location of Daejeon (capital Seoul shown for reference). Boundaries: Natural Earth.
Population (city proper)
1,441,203
Rank in South Korea
#5
Coordinates
36.35°N, 127.38°E
~58 m elevation · Asia/Seoul
Distance to capital (Seoul)
140 km
87 miles, straight line

Cities near Daejeon

  • Okcheon56,634 people · ~17 km away
  • Gongju72,435 people · ~26 km away
  • Sejong394,630 people · ~28 km away
  • Kinzan25,243 people · ~29 km away
  • Nonsan43,845 people · ~31 km away
  • Cheongju-si852,147 people · ~33 km away

FAQ

What is the population of Daejeon?
Daejeon has a population of 1,441,203 (city proper, latest official figure via GeoNames), making it the #5 biggest city in South Korea.
What region is Daejeon in?
Daejeon is located in Daejeon, South Korea.
Is Daejeon the capital of South Korea?
No, the capital of South Korea is Seoul, about 140 km away.

Sources & notes

Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.

← All biggest cities in South Korea · South Korea population by year