Total population172,423people
Households86,885households
Average age46.5yrs
Sex ratioMale92,794peopleFemale79,629people53.8%46.2%
Population change
Change over time
4-year trendUnit: people
167,479 in 2022172,423 in 2026
Up 3% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in1,321people
Moved out1,357people
Net migrationβ36people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Seosan-si | 84 |
| Asan-si | 42 |
| Pyeongtaek-si, Gyeonggi | 32 |
| Cheonan-si | 29 |
| Hwaseong-si, Gyeonggi | 28 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Pyeongtaek-si, Gyeonggi | 94 |
| Asan-si | 81 |
| Cheonan-si | 55 |
| Seosan-si | 34 |
| Hwaseong-si, Gyeonggi | 33 |
Inflows exceeded outflows in 9 of the past 12 months, for a net gain of 299.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 92,794Female 79,629
Age structure
Unit: %
Youth 11.3%Working age 65.3%Seniors 23.5%
50s is the largest group, at 29,050 people.
Population ranking
Population by region
As of September 2026- YoungestSucheong-dong32.6 yrs
- OldestSagiso-dong64.1 yrs
| Region | Share | ||
|---|---|---|---|
| Songak-eup | 29,506 | 17.1% | 45.2 yrs |
| Sucheong-dong | 20,967 | 12.2% | 32.6 yrs |
| Eumnae-dong | 20,680 | 12% | 42.9 yrs |
| Sinpyeong-myeon | 13,872 | 8% | 48.8 yrs |
| Chaeun-dong | 11,687 | 6.8% | 42.4 yrs |
| Wondang-dong | 11,485 | 6.7% | 41.6 yrs |
| Songsan-myeon | 10,876 | 6.3% | 49 yrs |
| Daedeok-dong | 8,926 | 5.2% | 39 yrs |
| Seongmun-myeon | 7,802 | 4.5% | 56.5 yrs |
| Hapdeok-eup | 7,414 | 4.3% | 58.7 yrs |
| Godae-myeon | 5,885 | 3.4% | 58.9 yrs |
| Ugang-myeon | 5,015 | 2.9% | 57.9 yrs |
| Sunseong-myeon | 4,485 | 2.6% | 60.4 yrs |
| Jeongmi-myeon | 3,352 | 1.9% | 60.4 yrs |
| Myeoncheon-myeon | 3,174 | 1.8% | 61 yrs |
| Sigok-dong | 2,927 | 1.7% | 47.5 yrs |
| Daehoji-myeon | 2,127 | 1.2% | 64 yrs |
| Udu-dong | 995 | 0.6% | 48.9 yrs |
| Yongyeon-dong | 406 | 0.2% | 59.7 yrs |
| Guryong-dong | 294 | 0.2% | 63.3 yrs |
| Haengjeong-dong | 288 | 0.2% | 61.6 yrs |
| Sagiso-dong | 260 | 0.2% | 64.1 yrs |
The top three areas hold 41.3% of the population of Dangjin-si, Chungcheongnam-do.
Frequently asked questionsβ
Dangjin-si, Chungcheongnam-do has 172,423 residents as of September 2026., 130 fewer than a year earlier.
Songak-eup, home to 29,506 residents (17.1% of Dangjin-si, Chungcheongnam-do).
It is 46.5 as of September 2026., 0.8 years above the national average of 45.7. Among its neighborhoods, Sucheong-dong is youngest at 32.6 and Sagiso-dong oldest at 64.1.
It rose 3% over 4 years, from 167,479 in 2022 to 172,423 in September 2026.
As of August 2026, the most people moved in from Seosan-si (84) and the most moved out to Pyeongtaek-si, Gyeonggi (94). Inflows exceeded outflows in 9 of the past 12 months, for a net gain of 299.
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