In imagery from 2015, WestCOG found that 61.5% of the Region is covered in tree canopy. This accounts for 216,643 acres of 352,206 acres and an estimated canopy of 13,091,307 trees.
Canopy Coverage by Municipality in Western CT
The table below lists canopy coverage by municipality. Norwalk has the lowest.
| Municipality | % Canopy Coverage |
| Norwalk | 39.2% |
| Westport | 47.1% |
| Darien | 47.7% |
| Greenwich | 49.4% |
| Stamford | 50.2% |
| Danbury | 52.0% |
| Brookfield | 59.5% |
| New Fairfield | 60.0% |
| New Canaan | 60.5% |
| WestCOG | 61.5% |
| New Milford | 62.7% |
| Bethel | 63.8% |
| Bridgewater | 68.1% |
| Ridgefield | 68.5% |
| Wilton | 70.7% |
| Sherman | 71.2% |
| Newtown | 71.5% |
| Weston | 74.7% |
| Redding | 78.3% |
For a complete analysis by WestCog click here.