Street- and park-tree species and genera composition from 1902 to 2019.
| Street tree species | 1902 | 1928–1947 | 1987 | |||||
|---|---|---|---|---|---|---|---|---|
| Sugar maple | 37.45% | NA | NA | Norway maple | 34.62% | |||
| American elm | 28.91% | NA | NA | Sugar maple | 19.91% | |||
| White willow | 10.71% | NA | NA | Honeylocust | 9.20% | |||
| Horsechestnut | 8.01% | NA | NA | Silver maple | 6.26% | |||
| Red maple | 3.68% | NA | NA | Red maple | 5.47% | |||
| Street tree genera | 1902 | 1928–1947 | 1987 | |||||
| Maple | 44.81% | Maple | 50.86% | Maple | 67.40% | |||
| Elm | 29.35% | Elm | 30.88% | Honeylocust | 9.20% | |||
| Willow | 10.82% | Horsechestnut | 5.85% | Oak | 2.77% | |||
| Horsechestnut | 8.01% | Catalpa | 2.56% | Apple | 2.68% | |||
| Ash | 1.85% | Ash | 1.46% | Planetree | 2.62% | |||
| Street tree species | 1996 | 2006 | 2013 | 2019 | ||||
| Norway maple | 22.54% | Norway maple | 19.95% | Norway maple | 14.39% | Norway maple | 12.44% | |
| Sugar maple | 9.25% | Sugar maple | 9.02% | Honeylocust | 7.09% | Honeylocust | 7.31% | |
| Honeylocust | 6.59% | Honeylocust | 5.86% | Crabapple | 5.80% | Crabapple | 6.76% | |
| Crabapple | 5.38% | Crabapple | 5.35% | Sugar maple | 5.65% | Sugar maple | 4.80% | |
| London planetree | 3.68% | London planetree | 3.70% | London planetree | 3.79% | London planetree | 3.92% | |
| Street tree genera | 1996 | 2006 | 2013 | 2019 | ||||
| Maple | 44.76% | Maple | 41.65% | Maple | 31.24% | Maple | 27.70% | |
| Honeylocust | 6.59% | Oak | 5.98% | Oak | 9.27% | Oak | 9.84% | |
| Apple | 5.39% | Honeylocust | 5.86% | Honeylocust | 7.09% | Honeylocust | 7.31% | |
| Oak | 5.18% | Apple | 5.44% | Apple | 5.90% | Apple | 6.98% | |
| Planetree | 3.93% | Planetree | 3.89% | Planetree | 3.96% | Planetree | 4.10% | |
| Park tree species | 1996 | 2006 | 2013 | 2019 | ||||
| Crabapple | 12.21% | Crabapple | 12.02% | Crabapple | 6.39% | Crabapple | 8.22% | |
| Eastern white pine | 6.73% | Eastern white pine | 6.76% | Eastern hemlock | 6.39% | Eastern hemlock | 5.89% | |
| Green ash | 5.24% | Green ash | 5.03% | Eastern white pine | 5.82% | Eastern white pine | 4.81% | |
| Eastern hemlock | 5.24% | Eastern hemlock | 5.03% | Green ash | 4.96% | Green ash | 4.33% | |
| Norway spruce | 4.36% | Norway spruce | 4.18% | Norway spruce | 4.59% | Norway spruce | 4.15% | |
| Park tree genera | 1996 | 2006 | 2013 | 2019 | ||||
| Maple | 14.17% | Maple | 13.90% | Maple | 14.14% | Maple | 14.18% | |
| Apple | 13.69% | Apple | 13.44% | Oak | 7.95% | Apple | 8.96% | |
| Pine | 9.41% | Pine | 9.33% | Pine | 7.91% | Oak | 7.59% | |
| Willow | 7.85% | Willow | 7.98% | Spruce | 7.70% | Spruce | 6.70% | |
| Spruce | 7.09% | Spruce | 6.87% | Apple | 7.05% | Pine | 6.00% | |