| 1 | Portland city (south 1) | 44.2% |
| 2 | Portland city (west-southwest 3) | 44% |
| 3 | Portland city (south-southeast 2) | 42% |
| 4 | Portland city (south-southwest 2) | 39.7% |
| 5 | Portland city (west 1) | 39.6% |
| 6 | Unincorporated (south) | 38.6% |
| 7 | Portland city (northwest 2) | 38.4% |
| 8 | Oak Hill CDP (east-northeast) | 38.2% |
| 9 | Falmouth CDP | 37.9% |
| 10 | Oak Hill CDP (south-southeast) | 37.9% |
| 11 | Unincorporated (south-southeast 1) | 37.8% |
| 12 | Portland city (northeast 1) | 37.7% |
| 13 | Cumberland Center CDP (west-northwest) | 37.6% |
| 14 | South Windham CDP | 36.9% |
| 15 | Portland city (east-northeast 1) | 36.4% |
| 16 | Portland city (south-southeast 1) | 36.4% |
| 17 | Portland city (south-southwest 1) | 36.4% |
| 18 | Portland city (north) | 36.2% |
| 19 | Freeport CDP | 36.1% |
| 20 | Portland city (west-southwest 2) | 36.1% |
| 21 | Portland city (northeast 2) | 35.7% |
| 22 | Cousins Island CDP | 35.1% |
| 23 | Unincorporated (south-southeast 2) | 35% |
| 24 | Unincorporated (northwest 3) | 34.8% |
| 25 | Portland city (west-southwest 1) | 34.6% |
| 26 | Unincorporated (west-northwest 2) | 34.6% |
| 27 | Unincorporated (southeast 1) | 34.5% |
| 28 | South Portland city (west-southwest) | 34.3% |
| 29 | Unincorporated (southeast 2) | 34.3% |
| 30 | Portland city (east-northeast 2) | 34.2% |
| 31 | Yarmouth CDP | 34.1% |
| 32 | South Portland city (east-southeast) | 33.9% |
| 33 | Gray CDP | 33.5% |
| 34 | North Windham CDP (south-southwest) | 33.5% |
| 35 | South Portland city (northeast 1) | 33% |
| 36 | Portland city (west-northwest 1) | 32.8% |
| 37 | Unincorporated (northeast 2) | 32.8% |
| 38 | South Portland city (south-southwest) | 32.7% |
| 39 | Gorham CDP (east) | 31.7% |
| 40 | Oak Hill CDP (west-northwest) | 31.6% |
| 41 | Portland city (west 2) | 31.6% |
| 42 | Westbrook city (north) | 31.5% |
| 43 | Dunstan CDP | 31% |
| 44 | Gorham CDP (west) | 31% |
| 45 | Cumberland Center CDP (east-southeast) | 30.9% |
| 46 | Brunswick CDP (north) | 30.8% |
| 47 | Unincorporated (northeast 1) | 30.8% |
| 48 | North Windham CDP (northwest) | 30.6% |
| 49 | Westbrook city (north-northwest) | 30.5% |
| 50 | Portland city (west-northwest 2) | 29.4% |
| 51 | Portland city (south 2) | 29.3% |
| 52 | South Portland city (east-northeast) | 29.3% |
| 53 | Westbrook city (southwest) | 29.3% |
| 54 | Little Falls CDP | 29.2% |
| 55 | South Portland city (northeast 2) | 28.9% |
| 56 | Brunswick CDP (northwest) | 28.7% |
| 57 | Unincorporated (east 1) | 28.1% |
| 58 | Brunswick CDP (west-northwest) | 27.8% |
| 59 | Unincorporated (east 2) | 26.6% |
| 60 | Standish CDP | 26.2% |
| 61 | Naples CDP (southwest) | 26% |
| 62 | Unincorporated (west-southwest) | 26% |
| 63 | Portland city (northwest 1) | 25.7% |
| 64 | North Windham CDP (east-southeast) | 25.4% |
| 65 | Unincorporated (northwest 1) | 25% |
| 66 | Unincorporated (east-northeast) | 24.9% |
| 67 | Brunswick CDP (south) | 24.7% |
| 68 | Westbrook city (south) | 24.7% |
| 69 | Brunswick CDP (east-northeast) | 24.1% |
| 70 | South Portland city (west) | 24.1% |
| 71 | Unincorporated (north) | 23.7% |
| 72 | Westbrook city (east-southeast) | 20.9% |
| 73 | Unincorporated (northwest 2) | 20.2% |
| 74 | Naples CDP (northeast) | 19.1% |
| 75 | Bridgton CDP (north-northeast) | 18% |
| 76 | Casco CDP | 17.7% |
| 77 | Bridgton CDP (south-southwest) | 16.9% |
| 78 | Unincorporated (west-northwest 1) | 14.2% |
| 79 | Steep Falls CDP | 14.1% |
| 80 | Unincorporated (west) | 12.3% |