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Population of Sokcho-si, Gangwon

As of September 2026

Total population78,788people
Households41,077households
Average age48.7yrs
Sex ratioMale38,925peopleFemale39,863people49.4%50.6%

Population change

Change over time

4-year trend

Unit: people

82,974 in 202282,326 in 202381,326 in 202480,049 in 202578,788 in 202620222023202420252026

82,974 in 202278,788 in 2026

Down 5% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in721people
Moved out871people
Net migrationβˆ’150people

Net migration by month

Unit: people

βˆ’51βˆ’94βˆ’16βˆ’79βˆ’26βˆ’317βˆ’247βˆ’99βˆ’13114118βˆ’150SepOctNovDecJanFebMarAprMayJunJulAugβˆ’51 in Sep 2025βˆ’94 in Oct 2025βˆ’16 in Nov 2025βˆ’79 in Dec 2025βˆ’26 in Jan 2026βˆ’317 in Feb 2026βˆ’247 in Mar 2026βˆ’99 in Apr 2026βˆ’13 in May 2026114 in Jun 2026118 in Jul 2026βˆ’150 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

RegionMoved in
Goseong-gun44
Yangyang-gun26
Gangneung-si16
Chuncheon-si12
Wonju-si11

Top destinations

Unit: people

RegionMoved out
Goseong-gun45
Yangyang-gun33
Gangneung-si28
Chuncheon-si21
Uijeongbu-si, Gyeonggi12

Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 860.

Want more detail on migration in Sokcho-si?See more Sokcho-si statistics on GData

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40s50sπŸ‘‘ 60s70s80s90s100+2,1033,2503,6024,7925,3346,9157,2733,9711,50417651,9103,2102,8863,8515,1807,2017,7874,7172,58351919

Male 38,925Female 39,863

Age structure

Unit: %

Youth 9.2%Working age 64.1%Seniors 26.7%9.2%64.1%26.7%

Youth 9.2%Working age 64.1%Seniors 26.7%

60s is the largest group, at 15,060 people.

Population ranking

Population by region

As of September 2026
  • YoungestJoyang-dong45.2 yrs
  • OldestSeorak-dong60 yrs
RegionShare
Joyang-dong30,52938.7%45.2 yrs
Gyo-dong24,33230.9%48.6 yrs
Dongmyeong-dong5,2176.6%47.8 yrs
Geumho-dong4,3505.5%52.6 yrs
Cheongho-dong2,4133.1%51.8 yrs
Nohak-dong2,3823%57.3 yrs
Yeongnang-dong2,3263%55.9 yrs
Jangsa-dong1,9742.5%52.2 yrs
Jungang-dong1,2851.6%54.6 yrs
Cheonghak-dong1,2001.5%57.8 yrs

The top three areas hold 76.3% of the population of Sokcho-si, Gangwon.

Want to explore Sokcho-si's demographics in more detail?See more Sokcho-si statistics on GData

Frequently asked questions❓

Sokcho-si, Gangwon has 78,788 residents as of September 2026., 1,261 fewer than a year earlier.
Joyang-dong, home to 30,529 residents (38.7% of Sokcho-si, Gangwon).
It is 48.7 as of September 2026., 3 years above the national average of 45.7. Among its neighborhoods, Joyang-dong is youngest at 45.2 and Seorak-dong oldest at 60.
It fell 5% over 4 years, from 82,974 in 2022 to 78,788 in September 2026.
As of August 2026, the most people moved in from Goseong-gun (44) and the most moved out to Goseong-gun (45). Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 860.
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 🌐