Dongjak-gu has 15,831 trees. Ginkgo is the most common species. Street-tree coverage is 30.3%, rank 7 of 25 Seoul districts.
At a glance
| Metric | Value |
|---|---|
| Total trees | 15,831 Rank 11 of 25 Seoul districts |
| Street trees | 7,628 |
| Park trees | 8,149 |
| Heritage trees | 54 |
| Annual environmental value | KRW 311,363,166 |
| Canopy area | 418,127 m² |
Most common species
| Species | Trees | Share |
|---|---|---|
| Ginkgo | 2,404 | 31.4% |
| Zelkova | 1,743 | 22.7% |
| Cherry | 1,060 | 13.8% |
| Platanus | 776 | 10.1% |
| Chinese Fringetree | 591 | 7.7% |
8,163 trees (52%) have no species recorded in the source data. Shares above are calculated over trees with a known species.
How much shade
Sampling Dongjak-gu’s streets every 20 meters, 30.3% of points had a street tree within 15 meters. The median across Seoul’s districts is 25%. Rank 7 of 25 Seoul districts.
Street-tree coverage is not a measurement of actual shadow. It estimates shade potential from whether trees are present nearby.
Differences within the district
Neighborhoods with the most trees
| Neighborhood | Street-tree coverage |
|---|---|
| 상도1동 | 51.4% |
| 사당5동 | 49.7% |
| 대방동 | 47.5% |
Neighborhoods with the fewest
| Neighborhood | Street-tree coverage |
|---|---|
| 사당4동 | 4.9% |
| 상도3동 | 9.4% |
| 상도4동 | 10.9% |
Frequently asked questions
How many trees are there in Dongjak-gu?
Dongjak-gu has 15,831 trees on record — 7,628 street trees, 8,149 park trees, and 54 heritage trees. That is rank 11 among Seoul's 25 districts.
What is the most common tree in Dongjak-gu?
Ginkgo is the most common, making up 31.4% of trees with a recorded species (2,404 trees).
How much of Dongjak-gu has street-tree shade?
30.3% of sampled street points in Dongjak-gu have a tree within 15 meters, ranking 7 of 25 districts. The Seoul median is 25%.
What are Dongjak-gu's trees worth each year?
Roughly KRW 311,363,166 per year, combining stormwater capture, energy savings, air-quality improvement, and carbon storage.
Data and method
- Street and park trees: Seoul Metropolitan Government 2024 street tree survey
- Heritage trees: Seoul heritage tree registry
- Environmental value: i-Tree formulas adapted to Seoul conditions (stormwater, energy, air quality, carbon)
- Street-tree coverage: OpenStreetMap road network sampled every 20m; each point scored on whether a tree exists within 15m
- Neighborhood figures are aggregated at the administrative-dong level within Dongjak-gu