Seongdong-gu
City District in Seoul (South Korea)
Contents: Population
The population development of Seongdong-gu as well as related information and services (Wikipedia, Google, images).
| Name | Status | Native | Population Census 1980-11-01 | Population Census 1990-11-01 | Population Census 2000-11-01 | Population Census 2010-11-01 | Population Census 2015-11-01 | Population Census 2020-11-01 | Population Census 2025-11-01 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Seongdong-gu | City District | 성동구 | 404,579 | 414,626 | 325,251 | 296,135 | 295,006 | 291,918 | 274,382 | |
| Daehan Minguk [South Korea] | Republic | 대한민국 | 37,436,315 | 43,410,899 | 46,136,101 | 48,580,293 | 51,069,375 | 51,829,136 | 51,817,499 |
Source: National Statistical Office of the Republic of Korea.
Explanation: Since 2015, a register-based census is performed. Nevertheless, the results are not consistent with the population figures from the resident registration that are higher by about 3.5% on average.
Further information about the population structure:
| Gender (C 2025) | |
|---|---|
| Males | 132,440 |
| Females | 141,942 |
| Age Groups (C 2025) | |
|---|---|
| 0-14 years | 22,681 |
| 15-64 years | 199,401 |
| 65+ years | 52,300 |
| Age Distribution (C 2025) | |
|---|---|
| 90+ years | 1,434 |
| 80-89 years | 10,534 |
| 70-79 years | 22,026 |
| 60-69 years | 38,370 |
| 50-59 years | 42,293 |
| 40-49 years | 38,707 |
| 30-39 years | 47,635 |
| 20-29 years | 41,416 |
| 10-19 years | 16,907 |
| 0-9 years | 15,060 |
| Citizenship (C 2025) | |
|---|---|
| Korea | 264,141 |
| Foreign Citizenship | 10,241 |