한국어

Population of Chungcheongnam

Resident registration data, June 2026 (MOIS)

Total population2,138,785people
Average age46.6yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+63,091104,599115,365138,671166,230187,664175,962101,00940,0525,9157559,97998,00993,288113,561145,015166,252166,716110,30668,37118,256393

Male 1,098,635Female 1,040,150

Age structure

Unit: %

Youth 10.5%Working age 65.4%Seniors 24.1%10.5%65.4%24.1%

Youth 10.5%Working age 65.4%Seniors 24.1%

50s is the largest group, at 353,916 people.

Population change

Change over time

4-year trend

Unit: people

2,120,201 in 20222,126,374 in 20232,134,817 in 20242,135,890 in 20252,138,785 in 202620222023202420252026

2,120,201 in 20222,138,785 in 2026

Up 0.9% over the past 4 years.

Explore regions

Region map

Cheonan-siGongju-siBoryeong-siAsan-siSeosan-siNonsan-siGyeryong-siDangjin-siGeumsan-gunBuyeo-gunSeocheon-gunCheongyang-gunHongseong-gunYesan-gunTaean-gun

Population ranking

Cheonan-si has the largest population of the 15 districts.

Population by region

15

There is a 15.4-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Cheonan-si666,18231.1%42.4 yrs
Asan-si363,67817%42 yrs
Dangjin-si172,4008.1%46.4 yrs
Seosan-si171,1368%47.1 yrs
Nonsan-si105,9775%52.1 yrs
Hongseong-gun101,5664.7%48.6 yrs
Gongju-si99,7574.7%51.7 yrs
Boryeong-si91,2604.3%52.2 yrs
Yesan-gun78,3183.7%53.6 yrs
Taean-gun59,0392.8%55.5 yrs
Buyeo-gun57,7622.7%56.9 yrs
Geumsan-gun48,9392.3%54.7 yrs
Seocheon-gun46,7612.2%57.4 yrs
Gyeryong-si45,9592.1%42.8 yrs
Cheongyang-gun30,0511.4%56.5 yrs

The top three areas hold 56.2% of the population of Chungcheongnam.

Other regions

Other regions

16

Frequently asked questions❓

Chungcheongnam has 2,138,785 residents as of June 2026., 2,895 more than a year earlier.
Cheonan-si, home to 666,182 residents — 31.1% of Chungcheongnam.
It is 46.6 as of June 2026., 1 years above the national average of 45.6. Among its districts, Asan-si is youngest at 42 and Seocheon-gun oldest at 57.4.
It rose 0.9% over 4 years, from 2,120,201 in 2022 to 2,138,785 in June 2026.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of June 2026 and are updated monthly. The data is open under KOGL Type 1.
Resident registration counts people at their registered address. The census counts them where they actually live. The gap is widest in university towns and industrial areas, where many people never change their registered address.

Sources 🌐