Total population57,591people
Households31,918households
Average age57yrs
Sex ratioMale28,715peopleFemale28,876people49.9%50.1%
Population change
Change over time
4-year trendUnit: people
62,894 in 202257,591 in 2026
Down 8.4% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in294people
Moved out342people
Net migrationβ48people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Nonsan-si | 16 |
| Seo-gu, Daejeon | 14 |
| Daedeok-gu, Daejeon | 9 |
| Gongju-si | 8 |
| Dongjak-gu, Seoul | 6 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Seo-gu, Daejeon | 27 |
| Nonsan-si | 19 |
| Cheonan-si | 11 |
| Gunsan-si, Jeonbuk-do | 10 |
| Yuseong-gu, Daejeon | 9 |
Outflows exceeded inflows in 9 of the past 12 months, for a net loss of 261.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 28,715Female 28,876
Age structure
Unit: %
Youth 5.8%Working age 51.1%Seniors 43.1%
60s is the largest group, at 13,104 people.
Population ranking
Population by region
As of September 2026- YoungestGyuam-myeon49.1 yrs
- OldestYanghwa-myeon66.4 yrs
| Region | Share | ||
|---|---|---|---|
| Buyeo-eup | 17,204 | 29.9% | 52.9 yrs |
| Gyuam-myeon | 11,194 | 19.4% | 49.1 yrs |
| Eunsan-myeon | 3,495 | 6.1% | 60.6 yrs |
| Sedo-myeon | 2,753 | 4.8% | 62 yrs |
| Seokseong-myeon | 2,530 | 4.4% | 58.7 yrs |
| Imcheon-myeon | 2,518 | 4.4% | 62.9 yrs |
| Hongsan-myeon | 2,508 | 4.4% | 61.8 yrs |
| Jangam-myeon | 2,412 | 4.2% | 62.9 yrs |
| Guryong-myeon | 2,129 | 3.7% | 62.2 yrs |
| Oesan-myeon | 2,103 | 3.7% | 64.4 yrs |
| Chochon-myeon | 1,832 | 3.2% | 62.7 yrs |
| Nam-myeon | 1,662 | 2.9% | 63.7 yrs |
| Yanghwa-myeon | 1,487 | 2.6% | 66.4 yrs |
| Naesan-myeon | 1,427 | 2.5% | 63.8 yrs |
| Oksan-myeon | 1,299 | 2.3% | 64.3 yrs |
| Chunghwa-myeon | 1,038 | 1.8% | 65.1 yrs |
The top three areas hold 55.4% of the population of Buyeo-gun, Chungcheongnam-do.
Frequently asked questionsβ
Buyeo-gun, Chungcheongnam-do has 57,591 residents as of September 2026., 1,121 fewer than a year earlier.
Buyeo-eup, home to 17,204 residents (29.9% of Buyeo-gun, Chungcheongnam-do).
It is 57 as of September 2026., 11.3 years above the national average of 45.7. Among its towns and townships, Gyuam-myeon is youngest at 49.1 and Yanghwa-myeon oldest at 66.4.
It fell 8.4% over 4 years, from 62,894 in 2022 to 57,591 in September 2026.
As of August 2026, the most people moved in from Nonsan-si (16) and the most moved out to Seo-gu, Daejeon (27). Outflows exceeded inflows in 9 of the past 12 months, for a net loss of 261.
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