Environment & flood risk · vintage OSM 2026 · km/km²
Drainage Density mapped across 109 London census tracts (OSM 2026). Explore the choropleth, ranking and comparison on the interactive map, or pull it from the open JSON API.
View on the map → Rank & download| # | Census Tract | State | Drainage Density |
|---|---|---|---|
| 1 | St. Thomas | London | 2.363 |
| 2 | Stoneycreek | London | 2.004 |
| 3 | Central Elgin | London | 2.004 |
| 4 | Strathroy-Caradoc | London | 1.943 |
| 5 | North London | London | 1.903 |
| 6 | St. Thomas | London | 1.761 |
| 7 | Carling | London | 1.707 |
| 8 | St. Thomas | London | 1.649 |
| 9 | St. Thomas | London | 1.563 |
| 10 | Huron Heights | London | 1.521 |
| 11 | Masonville | London | 1.508 |
| 12 | Lambeth | London | 1.495 |
| 13 | Central Elgin | London | 1.49 |
| 14 | Adelaide-Metcalfe | London | 1.487 |
| 15 | Middlesex Centre | London | 1.45 |
| 16 | St. Thomas | London | 1.439 |
| 17 | West London | London | 1.437 |
| 18 | Middlesex Centre | London | 1.383 |
| 19 | Southwold | London | 1.381 |
| 20 | Medway | London | 1.379 |