한국어

Population of Seongbuk-gu, Seoul

Resident registration data, June 2026 (MOIS)

Total population421,762people
Average age45yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+10,85417,03828,75828,48229,19434,37227,54516,6957,3568351410,15116,94733,22128,63729,89735,87730,98321,30411,4682,07557

Male 201,144Female 220,618

Age structure

Unit: %

Youth 9.0%Working age 69.9%Seniors 21.1%9.0%69.9%21.1%

Youth 9.0%Working age 69.9%Seniors 21.1%

50s is the largest group, at 70,249 people.

Population change

Change over time

4-year trend

Unit: people

433,559 in 2022429,142 in 2023424,194 in 2024424,030 in 2025421,762 in 202620222023202420252026

433,559 in 2022421,762 in 2026

Down 2.7% over the past 4 years.

Population ranking

Jeongneung-dong has the largest population of the 39 neighborhoods.

Population by region

39
  • YoungestAnamdong5-ga32.5 yrs
  • OldestDongsomundong2-ga51.9 yrs

There is a 19.4-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Jeongneung-dong74,87617.8%46.7 yrs
Jangwi-dong56,81913.5%45.3 yrs
Gireum-dong54,45512.9%41.7 yrs
Hawolgok-dong37,4498.9%45.3 yrs
Donam-dong36,9408.8%45.5 yrs
Jongam-dong36,7078.7%45.6 yrs
Seokgwan-dong32,7207.8%48 yrs
Seongbuk-dong9,8802.3%47.8 yrs
Sangwolgok-dong8,9372.1%46.9 yrs
Bomundong6-ga5,9011.4%44.7 yrs
Samseondong2-ga5,4461.3%43.3 yrs
Anamdong5-ga4,3281%32.5 yrs
Anamdong3-ga4,1321%44.7 yrs
Samseondong1-ga4,0171%48.5 yrs
Anamdong1-ga3,8030.9%42.2 yrs
Samseondong3-ga3,6090.9%46 yrs
Samseondong5-ga3,6060.9%44.7 yrs
Samseondong4-ga3,1880.8%44.5 yrs
Dongseondong3-ga2,9420.7%40.9 yrs
Dongsomundong4-ga2,8890.7%43.6 yrs
Bomundong3-ga2,5130.6%44.7 yrs
Anamdong2-ga2,3650.6%39.1 yrs
Dongsomundong7-ga2,2320.5%42.3 yrs
Dongseondong2-ga2,1790.5%38 yrs
Dongsomundong6-ga2,0100.5%38 yrs
Dongseondong5-ga1,9890.5%44.3 yrs
Bomundong2-ga1,9800.5%42.7 yrs
Dongseondong4-ga1,9420.5%41.1 yrs
Seongbukdong1-ga1,8310.4%44.6 yrs
Bomundong5-ga1,6960.4%46.3 yrs
Bomundong1-ga1,6250.4%41.6 yrs
Dongseondong1-ga1,1570.3%38.2 yrs
Dongsomundong5-ga1,1210.3%45.8 yrs
Bomundong7-ga1,0290.2%46.3 yrs
Anamdong4-ga9930.2%44.3 yrs
Bomundong4-ga9560.2%45.8 yrs
Dongsomundong1-ga9130.2%43.9 yrs
Dongsomundong2-ga4520.1%51.9 yrs
Dongsomundong3-ga1350%49.4 yrs

The top three areas hold 44.1% of the population of Seongbuk-gu, Seoul.

Other regions

Other districts in Seoul

16

Frequently asked questions❓

Seongbuk-gu, Seoul has 421,762 residents as of June 2026., 2,268 fewer than a year earlier.
Jeongneung-dong, home to 74,876 residents — 17.8% of Seongbuk-gu, Seoul.
It is 45 as of June 2026., 0.6 years below the national average of 45.6. Among its neighborhoods, Anamdong5-ga is youngest at 32.5 and Dongsomundong2-ga oldest at 51.9.
It fell 2.7% over 4 years, from 433,559 in 2022 to 421,762 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 🌐