Total population85,534people
Households43,581households
Average age48.7yrs
Sex ratioMale43,311peopleFemale42,223people50.6%49.4%
Population change
Change over time
4-year trendUnit: people
89,699 in 202285,534 in 2026
Down 4.6% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in633people
Moved out639people
Net migrationβ6people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Samcheok-si | 52 |
| Changwon-si, Gyeongsangnam-do | 23 |
| Gangneung-si | 18 |
| Wonju-si | 16 |
| Chuncheon-si | 15 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Gangneung-si | 45 |
| Samcheok-si | 35 |
| Changwon-si, Gyeongsangnam-do | 18 |
| Chuncheon-si | 16 |
| Pohang-si, Gyeongsangbuk-do | 15 |
Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 688.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 43,311Female 42,223
Age structure
Unit: %
Youth 9.7%Working age 63.3%Seniors 27.0%
50s is the largest group, at 15,729 people.
Population ranking
Population by region
As of September 2026- YoungestPyeongneung-dong39.2 yrs
- OldestDalbang-dong69.3 yrs
| Region | Share | ||
|---|---|---|---|
| Cheongok-dong | 21,286 | 24.9% | 48.9 yrs |
| Balhan-dong | 9,212 | 10.8% | 55.5 yrs |
| Donghoe-dong | 9,113 | 10.7% | 43.5 yrs |
| Pyeongneung-dong | 7,043 | 8.2% | 39.2 yrs |
| Hyoga-dong | 6,255 | 7.3% | 42.7 yrs |
| Ido-dong | 6,112 | 7.1% | 43.6 yrs |
| Swaeun-dong | 5,287 | 6.2% | 46.5 yrs |
| Bugok-dong | 4,372 | 5.1% | 56.4 yrs |
| Bukpyeong-dong | 3,247 | 3.8% | 40.3 yrs |
| Gumi-dong | 1,960 | 2.3% | 56.6 yrs |
| Mukhojin-dong | 1,900 | 2.2% | 60 yrs |
| Songjeong-dong | 1,771 | 2.1% | 58 yrs |
| Iro-dong | 1,760 | 2.1% | 58.8 yrs |
| Yongjeong-dong | 1,616 | 1.9% | 49.9 yrs |
| Danbong-dong | 867 | 1% | 48.7 yrs |
| Mangsang-dong | 483 | 0.6% | 61.7 yrs |
| Jiheung-dong | 457 | 0.5% | 57.9 yrs |
| Eodal-dong | 361 | 0.4% | 60.6 yrs |
| Daejin-dong | 323 | 0.4% | 57.5 yrs |
| Samhwa-dong | 306 | 0.4% | 61.8 yrs |
| Daegu-dong | 245 | 0.3% | 63.4 yrs |
| Sinheung-dong | 224 | 0.3% | 61.5 yrs |
| Manu-dong | 212 | 0.2% | 65 yrs |
| Jiga-dong | 164 | 0.2% | 56.4 yrs |
| Chogu-dong | 161 | 0.2% | 60.3 yrs |
| Simgok-dong | 145 | 0.2% | 65.5 yrs |
| Goeran-dong | 123 | 0.1% | 61 yrs |
| Naan-dong | 110 | 0.1% | 54.9 yrs |
| Chuam-dong | 97 | 0.1% | 60.2 yrs |
| Gwiun-dong | 96 | 0.1% | 60.6 yrs |
| Guho-dong | 72 | 0.1% | 52.3 yrs |
| Hohyeon-dong | 61 | 0.1% | 64.7 yrs |
| Bicheon-dong | 27 | 0% | 63.3 yrs |
| Nae-dong | 26 | 0% | 57 yrs |
| Igi-dong | 24 | 0% | 58.5 yrs |
| Dalbang-dong | 16 | 0% | 69.3 yrs |
The top three areas hold 46.3% of the population of Donghae-si, Gangwon.
Frequently asked questionsβ
Donghae-si, Gangwon has 85,534 residents as of September 2026., 1,183 fewer than a year earlier.
Cheongok-dong, home to 21,286 residents (24.9% of Donghae-si, Gangwon).
It is 48.7 as of September 2026., 3 years above the national average of 45.7. Among its neighborhoods, Pyeongneung-dong is youngest at 39.2 and Dalbang-dong oldest at 69.3.
It fell 4.6% over 4 years, from 89,699 in 2022 to 85,534 in September 2026.
As of August 2026, the most people moved in from Samcheok-si (52) and the most moved out to Gangneung-si (45). Outflows exceeded inflows in 10 of the past 12 months, for a net loss of 688.
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 π
- Resident registration data, Ministry of the Interior and SafetyKOGL Type 1 Β· as of September 2026 Β· updated monthly
- Internal Migration Statistics, Statistics Korea (KOSIS)KOGL Type 1 Β· as of August 2026 Β· updated monthly