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Gyeongbokgung Geunjeongjeon Hall, Hyoja-dong, Jongno-guGwanghwamun Square & Gwanghwamun Gate, Sajik-dong, Jongno-guChangdeokgung Jinseonmun Gate, Waryong-dong, Jongno-guBukchon Hanok Village Alley, Gahoe-dong, Jongno-guCheonggyecheon Cheonggye Plaza, Seorin-dong, Jongno-guHeunginjimun Gate, Jongno6-ga, Jongno-guInsadong-gil, Insa-dong, Jongno-guIkseon-dong Hanok Cafe Street, Ikseon-dong, Jongno-gu

Population of Jongno-gu, Seoul

As of September 2026

Total population135,935people
Households72,464households
Average age46.8yrs
Sex ratioMale65,042peopleFemale70,893people47.8%52.2%

Population change

Change over time

4-year trend

Unit: people

143,499 in 2022140,032 in 2023138,929 in 2024137,583 in 2025135,935 in 202620222023202420252026

143,499 in 2022135,935 in 2026

Down 5.3% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in1,520people
Moved out1,686people
Net migrationβˆ’166people

Net migration by month

Unit: people

13βˆ’67βˆ’142βˆ’155βˆ’211βˆ’1088βˆ’67βˆ’166βˆ’170βˆ’170βˆ’166SepOctNovDecJanFebMarAprMayJunJulAug13 in Sep 2025βˆ’67 in Oct 2025βˆ’142 in Nov 2025βˆ’155 in Dec 2025βˆ’211 in Jan 2026βˆ’10 in Feb 202688 in Mar 2026βˆ’67 in Apr 2026βˆ’166 in May 2026βˆ’170 in Jun 2026βˆ’170 in Jul 2026βˆ’166 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

RegionMoved in
Seongbuk-gu125
Seodaemun-gu87
Eunpyeong-gu49
Jung-gu48
Mapo-gu42

Top destinations

Unit: people

RegionMoved out
Seongbuk-gu120
Seodaemun-gu91
Seocho-gu79
Eunpyeong-gu71
Dongdaemun-gu65

Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 1,223.

Want more detail on migration in Jongno-gu?See more Jongno-gu statistics on GData

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+2,5114,4319,0909,9428,60910,89210,4365,9542,755408132,3854,61110,6279,9689,36111,44110,4786,9144,20687230

Male 65,042Female 70,893

Age structure

Unit: %

Youth 6.9%Working age 69.8%Seniors 23.3%69.8%23.3%

Youth 6.9%Working age 69.8%Seniors 23.3%

50s is the largest group, at 22,333 people.

Population ranking

Population by region

As of September 2026
  • YoungestYeonji-dong35.7 yrs
  • OldestGongpyeong-dong76 yrs
RegionShare
Changsin-dong17,40712.8%50.8 yrs
Sungin-dong15,89811.7%46.2 yrs
Pyeongchang-dong11,3338.3%47.8 yrs
Muak-dong7,6965.7%45.3 yrs
Gugi-dong5,5884.1%47.1 yrs
Myeongnyun3-ga4,5413.3%42.9 yrs
Myeongnyun1-ga4,1723.1%42.4 yrs
Haengchon-dong4,0593%48.6 yrs
Buam-dong3,9522.9%47.5 yrs
Dongsung-dong3,5822.6%46.8 yrs

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

Want to explore Jongno-gu's demographics in more detail?See more Jongno-gu statistics on GData

Frequently asked questions❓

Jongno-gu, Seoul has 135,935 residents as of September 2026., 1,648 fewer than a year earlier.
Changsin-dong, home to 17,407 residents (12.8% of Jongno-gu, Seoul).
It is 46.8 as of September 2026., 1.1 years above the national average of 45.7. Among its neighborhoods, Yeonji-dong is youngest at 35.7 and Gongpyeong-dong oldest at 76.
It fell 5.3% over 4 years, from 143,499 in 2022 to 135,935 in September 2026.
As of August 2026, the most people moved in from Seongbuk-gu (125) and the most moved out to Seongbuk-gu (120). Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 1,223.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of September 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 🌐