한국어

Population of Jongno-gu, Seoul

Resident registration data, June 2026 (MOIS)

Total population136,318people
Average age46.7yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+2,5604,4299,1839,9598,64210,98410,4265,9292,727403122,4134,63310,68710,0249,35411,48410,4976,9024,16987327

Male 65,255Female 71,063

Age structure

Unit: %

Youth 7.0%Working age 69.9%Seniors 23.1%69.9%23.1%

Youth 7.0%Working age 69.9%Seniors 23.1%

50s is the largest group, at 22,468 people.

Population change

Change over time

4-year trend

Unit: people

143,624 in 2022140,397 in 2023139,189 in 2024138,015 in 2025136,318 in 202620222023202420252026

143,624 in 2022136,318 in 2026

Down 5.1% over the past 4 years.

Population ranking

Changsin-dong has the largest population of the 83 neighborhoods.

Population by region

40
  • YoungestYeonji-dong35.5 yrs
  • OldestGongpyeong-dong76 yrs

There is a 40.5-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Changsin-dong17,49812.8%50.7 yrs
Sungin-dong15,91811.7%46.2 yrs
Pyeongchang-dong11,3508.3%47.6 yrs
Muak-dong7,6945.6%45.3 yrs
Gugi-dong5,5884.1%47 yrs
Myeongnyun3-ga4,5413.3%42.8 yrs
Myeongnyun1-ga4,1833.1%42.3 yrs
Haengchon-dong4,0433%48.6 yrs
Buam-dong3,9532.9%47.5 yrs
Dongsung-dong3,5922.6%46.8 yrs
Sinyeong-dong3,3482.5%46.1 yrs
Hyehwa-dong3,1842.3%43.2 yrs
Sajik-dong3,1012.3%47.6 yrs
Myeongnyun2-ga3,0122.2%42 yrs
Nusang-dong2,9832.2%46.4 yrs
Chungsin-dong2,8172.1%48.8 yrs
Naesu-dong2,7512%46 yrs
Cheongun-dong2,2441.6%44.8 yrs
Yeongeon-dong1,8141.3%40 yrs
Ogin-dong1,8091.3%45 yrs
Wonseo-dong1,6741.2%47.2 yrs
Ihwa-dong1,6551.2%48.4 yrs
Hongji-dong1,5671.1%49 yrs
Hongpa-dong1,5491.1%42.8 yrs
Pyeong-dong1,5211.1%39.9 yrs
Singyo-dong1,2650.9%45.6 yrs
Samcheong-dong1,1420.8%49 yrs
Inui-dong1,1090.8%44.2 yrs
Yeonji-dong1,0270.8%35.5 yrs
Ikseon-dong9970.7%48.4 yrs
Gyobuk-dong9530.7%41.2 yrs
Pirun-dong9170.7%46.6 yrs
Gye-dong9020.7%49 yrs
Gahoe-dong8810.6%50.7 yrs
Songwol-dong8810.6%43.9 yrs
Hyoje-dong8600.6%40.5 yrs
Nagwon-dong8170.6%54.9 yrs
Myeongnyun4-ga7800.6%44.3 yrs
Donui-dong7680.6%65.3 yrs
Nuha-dong6920.5%48.6 yrs

The top three areas hold 32.8% of the population of Jongno-gu, Seoul.

Other regions

Other districts in Seoul

16

Frequently asked questions❓

Jongno-gu, Seoul has 136,318 residents as of June 2026., 1,697 fewer than a year earlier.
Changsin-dong, home to 17,498 residents — 12.8% of Jongno-gu, Seoul.
It is 46.7 as of June 2026., 1.1 years above the national average of 45.6. Among its neighborhoods, Yeonji-dong is youngest at 35.5 and Gongpyeong-dong oldest at 76.
It fell 5.1% over 4 years, from 143,624 in 2022 to 136,318 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 🌐