Total population58,858people
Households33,402households
Average age55.6yrs
Sex ratioMale29,860peopleFemale28,998people50.7%49.3%
Population change
Change over time
4-year trendUnit: people
61,555 in 202258,858 in 2026
Down 4.4% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in293people
Moved out376people
Net migrationβ83people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Seosan-si | 29 |
| Pyeongtaek-si, Gyeonggi | 13 |
| Goyang-si, Gyeonggi | 12 |
| Siheung-si, Gyeonggi | 8 |
| Cheonan-si | 8 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Seosan-si | 55 |
| Pyeongtaek-si, Gyeonggi | 18 |
| Cheonan-si | 13 |
| Seo-gu, Daejeon | 10 |
| Asan-si | 9 |
Net migration varied across the past 12 months, totaling β234.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 29,860Female 28,998
Age structure
Unit: %
Youth 6.1%Working age 54.0%Seniors 39.8%
60s is the largest group, at 13,468 people.
Population ranking
Population by region
As of September 2026- YoungestTaean-eup49.8 yrs
- OldestSowon-myeon63.2 yrs
| Region | Share | ||
|---|---|---|---|
| Taean-eup | 28,484 | 48.4% | 49.8 yrs |
| Anmyeon-eup | 7,568 | 12.9% | 58.9 yrs |
| Geunheung-myeon | 5,209 | 8.9% | 62.2 yrs |
| Sowon-myeon | 5,076 | 8.6% | 63.2 yrs |
| Wonbuk-myeon | 4,150 | 7.1% | 61.1 yrs |
| Nam-myeon | 4,079 | 6.9% | 59.8 yrs |
| Gonam-myeon | 2,187 | 3.7% | 61.5 yrs |
| Iwon-myeon | 2,105 | 3.6% | 63 yrs |
The top three areas hold 70.1% of the population of Taean-gun, Chungcheongnam-do.
Frequently asked questionsβ
Taean-gun, Chungcheongnam-do has 58,858 residents as of September 2026., 887 fewer than a year earlier.
Taean-eup, home to 28,484 residents (48.4% of Taean-gun, Chungcheongnam-do).
It is 55.6 as of September 2026., 9.9 years above the national average of 45.7. Among its towns and townships, Taean-eup is youngest at 49.8 and Sowon-myeon oldest at 63.2.
It fell 4.4% over 4 years, from 61,555 in 2022 to 58,858 in September 2026.
As of August 2026, the most people moved in from Seosan-si (29) and the most moved out to Seosan-si (55). Net migration varied across the past 12 months, totaling β234.
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